diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 70c1114f8d48..1bc84594ec98 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -8,7 +8,7 @@ on:
 permissions:
   contents: read
 jobs:
-  style:
+  style_phpcs:
     runs-on: ubuntu-latest
     name: PHP Style Check
     steps:
@@ -21,6 +21,33 @@ jobs:
       run: composer global require "squizlabs/php_codesniffer:3.*"
     - name: Run PHPCS Code Style Checker
       run: ~/.composer/vendor/bin/phpcs --standard=phpcs-ruleset.xml -p
+
+  style_csfixer:
+    name: PHP CS Fixer
+    uses: GoogleCloudPlatform/php-tools/.github/workflows/code-standards.yml@main
+    with:
+      config: GoogleCloudPlatform/php-tools/.php-cs-fixer.default.php@main
+      exclude-patterns: |
+        [
+          "#.*/src/V[0-9]+#",
+          "#.*/src/.*/V[0-9]+#",
+          "#.*/(tests|samples|metadata)#",
+          "vendor",
+          "dev",
+          "docs",
+          "AccessContextManager/src/Type",
+          "Asset/external",
+          "BigQueryDataExchange/src/Common",
+          "CommonProtos",
+          "Core/src/Testing",
+          "GSuiteAddOns/external",
+          "OsLogin/src/Common",
+          "LongRunning/src/ApiCore/LongRunning",
+          "LongRunning/src/LongRunning",
+          "Translate/src/Connection",
+          "Translate/src/TranslateClient.php"
+        ]
+
   staticanalysis:
     runs-on: ubuntu-latest
     name: PHPStan Static Analysis
diff --git a/BigQuery/src/Connection/Rest.php b/BigQuery/src/Connection/Rest.php
index 8748a22b4c28..46a7854a68b6 100644
--- a/BigQuery/src/Connection/Rest.php
+++ b/BigQuery/src/Connection/Rest.php
@@ -19,7 +19,6 @@
 
 use Google\Auth\GetUniverseDomainInterface;
 use Google\Cloud\BigQuery\BigQueryClient;
-use Google\Cloud\BigQuery\Connection\ConnectionInterface;
 use Google\Cloud\Core\RequestBuilder;
 use Google\Cloud\Core\RequestWrapper;
 use Google\Cloud\Core\RestTrait;
diff --git a/BigQuery/src/JobWaitTrait.php b/BigQuery/src/JobWaitTrait.php
index e4339f7ba524..6003fcf32c36 100644
--- a/BigQuery/src/JobWaitTrait.php
+++ b/BigQuery/src/JobWaitTrait.php
@@ -18,7 +18,6 @@
 namespace Google\Cloud\BigQuery;
 
 use Google\Cloud\BigQuery\Exception\JobException;
-use Google\Cloud\BigQuery\Job;
 use Google\Cloud\Core\Exception\ServiceException;
 use Google\Cloud\Core\ExponentialBackoff;
 use Throwable;
diff --git a/Bigtable/src/BigtableClient.php b/Bigtable/src/BigtableClient.php
index 7bca91745c72..51d0e0d00ec5 100644
--- a/Bigtable/src/BigtableClient.php
+++ b/Bigtable/src/BigtableClient.php
@@ -17,16 +17,15 @@
 
 namespace Google\Cloud\Bigtable;
 
+use Google\ApiCore\ArrayTrait;
+use Google\ApiCore\ClientOptionsTrait;
 use Google\ApiCore\CredentialsWrapper;
+use Google\ApiCore\Serializer;
 use Google\ApiCore\Transport\TransportInterface;
 use Google\ApiCore\ValidationException;
 use Google\Auth\FetchAuthTokenInterface;
-use Google\ApiCore\ArrayTrait;
-use Google\ApiCore\ClientOptionsTrait;
-use Google\ApiCore\Serializer;
 use Google\Cloud\Bigtable\V2\Client\BigtableClient as GapicClient;
 use Google\Cloud\Core\DetectProjectIdTrait;
-use Google\Cloud\Core\RequestHandler;
 
 /**
  * Google Cloud Bigtable is Google's NoSQL Big Data database service.
diff --git a/Bigtable/src/ChunkFormatter.php b/Bigtable/src/ChunkFormatter.php
index 6e2ef5a5ee5e..32b1bc42af2a 100644
--- a/Bigtable/src/ChunkFormatter.php
+++ b/Bigtable/src/ChunkFormatter.php
@@ -19,12 +19,12 @@
 
 use Google\ApiCore\ArrayTrait;
 use Google\Cloud\Bigtable\Exception\BigtableDataOperationException;
+use Google\Cloud\Bigtable\V2\Client\BigtableClient as GapicClient;
 use Google\Cloud\Bigtable\V2\ReadRowsRequest;
 use Google\Cloud\Bigtable\V2\ReadRowsResponse\CellChunk;
 use Google\Cloud\Bigtable\V2\RowRange;
 use Google\Cloud\Bigtable\V2\RowSet;
 use Google\Protobuf\Internal\Message;
-use Google\Cloud\Bigtable\V2\Client\BigtableClient as GapicClient;
 
 /**
  * Converts cell chunks into an easily digestable format. Please note this class
@@ -249,7 +249,7 @@ private function updateReadRowsRequest($request, $options, $prevRowKey)
                 foreach ($rowSet->getRowRanges() as $range) {
                     if (($range->getEndKeyOpen() && $prevRowKey > $range->getEndKeyOpen())
                         || ($range->getEndKeyClosed() && $prevRowKey >= $range->getEndKeyClosed())) {
-                            continue;
+                        continue;
                     } elseif ((!$range->getStartKeyOpen() || $prevRowKey > $range->getStartKeyOpen())
                         && (!$range->getStartKeyClosed() || $prevRowKey >= $range->getStartKeyClosed())) {
                         $range->setStartKeyOpen($prevRowKey);
@@ -268,8 +268,8 @@ private function updateReadRowsRequest($request, $options, $prevRowKey)
                 $options['requestCompleted'] = true;
             }
         } else {
-            $range = (new RowRange)->setStartKeyOpen($prevRowKey);
-            $options['rows'] = (new RowSet)->setRowRanges([$range]);
+            $range = (new RowRange())->setStartKeyOpen($prevRowKey);
+            $options['rows'] = (new RowSet())->setRowRanges([$range]);
         }
 
         return [$request, $options];
diff --git a/Bigtable/src/DataUtil.php b/Bigtable/src/DataUtil.php
index e2951133d33a..fda1b97d760d 100644
--- a/Bigtable/src/DataUtil.php
+++ b/Bigtable/src/DataUtil.php
@@ -34,7 +34,7 @@ class DataUtil
     public static function isSystemLittleEndian()
     {
         if (self::$isLittleEndian === null) {
-            self::$isLittleEndian = (pack("P", 2) === pack("Q", 2));
+            self::$isLittleEndian = (pack('P', 2) === pack('Q', 2));
         }
         return self::$isLittleEndian;
     }
@@ -75,7 +75,7 @@ public static function intToByteString($intValue)
                 )
             );
         }
-        $bytes = pack("J", $intValue);
+        $bytes = pack('J', $intValue);
         return $bytes;
     }
 
@@ -94,6 +94,6 @@ public static function byteStringToInt($bytes)
         if (self::isSystemLittleEndian()) {
             $bytes = strrev($bytes);
         }
-        return unpack("q", $bytes)[1];
+        return unpack('q', $bytes)[1];
     }
 }
diff --git a/Bigtable/src/Filter.php b/Bigtable/src/Filter.php
index 5662a38e46f5..96ed37949787 100644
--- a/Bigtable/src/Filter.php
+++ b/Bigtable/src/Filter.php
@@ -17,10 +17,6 @@
 
 namespace Google\Cloud\Bigtable;
 
-use Google\Cloud\Bigtable\Filter\ChainFilter;
-use Google\Cloud\Bigtable\Filter\ConditionFilter;
-use Google\Cloud\Bigtable\Filter\FilterInterface;
-use Google\Cloud\Bigtable\Filter\InterleaveFilter;
 use Google\Cloud\Bigtable\Filter\Builder\FamilyFilter;
 use Google\Cloud\Bigtable\Filter\Builder\KeyFilter;
 use Google\Cloud\Bigtable\Filter\Builder\LimitFilter;
@@ -28,6 +24,10 @@
 use Google\Cloud\Bigtable\Filter\Builder\QualifierFilter;
 use Google\Cloud\Bigtable\Filter\Builder\TimestampFilter;
 use Google\Cloud\Bigtable\Filter\Builder\ValueFilter;
+use Google\Cloud\Bigtable\Filter\ChainFilter;
+use Google\Cloud\Bigtable\Filter\ConditionFilter;
+use Google\Cloud\Bigtable\Filter\FilterInterface;
+use Google\Cloud\Bigtable\Filter\InterleaveFilter;
 use Google\Cloud\Bigtable\Filter\SimpleFilter;
 use Google\Cloud\Bigtable\V2\RowFilter;
 
diff --git a/Bigtable/src/Filter/Builder/FamilyFilter.php b/Bigtable/src/Filter/Builder/FamilyFilter.php
index 93545044269f..2eb048b67708 100644
--- a/Bigtable/src/Filter/Builder/FamilyFilter.php
+++ b/Bigtable/src/Filter/Builder/FamilyFilter.php
@@ -18,7 +18,6 @@
 namespace Google\Cloud\Bigtable\Filter\Builder;
 
 use Google\Cloud\Bigtable\Filter\SimpleFilter;
-use Google\Cloud\Bigtable\V2\RowFilter;
 
 /**
  * A builder used to configure column family filters.
diff --git a/Bigtable/src/Filter/Builder/KeyFilter.php b/Bigtable/src/Filter/Builder/KeyFilter.php
index 43d15d25048c..833756601c6a 100644
--- a/Bigtable/src/Filter/Builder/KeyFilter.php
+++ b/Bigtable/src/Filter/Builder/KeyFilter.php
@@ -109,7 +109,7 @@ public function sample($probability)
         }
 
         return new SimpleFilter(
-            (new RowFilter)->setRowSampleFilter($probability)
+            (new RowFilter())->setRowSampleFilter($probability)
         );
     }
 }
diff --git a/Bigtable/src/Filter/Builder/LimitFilter.php b/Bigtable/src/Filter/Builder/LimitFilter.php
index 4383d921b420..ae5090a0c138 100644
--- a/Bigtable/src/Filter/Builder/LimitFilter.php
+++ b/Bigtable/src/Filter/Builder/LimitFilter.php
@@ -49,7 +49,7 @@ class LimitFilter
     public function cellsPerRow($count)
     {
         return new SimpleFilter(
-            (new RowFilter)->setCellsPerRowLimitFilter($count)
+            (new RowFilter())->setCellsPerRowLimitFilter($count)
         );
     }
 
@@ -73,7 +73,7 @@ public function cellsPerRow($count)
     public function cellsPerColumn($count)
     {
         return new SimpleFilter(
-            (new RowFilter)->setCellsPerColumnLimitFilter($count)
+            (new RowFilter())->setCellsPerColumnLimitFilter($count)
         );
     }
 }
diff --git a/Bigtable/src/Filter/Builder/OffsetFilter.php b/Bigtable/src/Filter/Builder/OffsetFilter.php
index 92c3b802ded6..e5feb75b885e 100644
--- a/Bigtable/src/Filter/Builder/OffsetFilter.php
+++ b/Bigtable/src/Filter/Builder/OffsetFilter.php
@@ -49,7 +49,7 @@ class OffsetFilter
     public function cellsPerRow($count)
     {
         return new SimpleFilter(
-            (new RowFilter)->setCellsPerRowOffsetFilter($count)
+            (new RowFilter())->setCellsPerRowOffsetFilter($count)
         );
     }
 }
diff --git a/Bigtable/src/Filter/Builder/QualifierFilter.php b/Bigtable/src/Filter/Builder/QualifierFilter.php
index 3257c66ed49a..95d999cc6f16 100644
--- a/Bigtable/src/Filter/Builder/QualifierFilter.php
+++ b/Bigtable/src/Filter/Builder/QualifierFilter.php
@@ -19,7 +19,6 @@
 
 use Google\Cloud\Bigtable\Filter\QualifierRangeFilter;
 use Google\Cloud\Bigtable\Filter\SimpleFilter;
-use Google\Cloud\Bigtable\V2\RowFilter;
 
 /**
  * A builder used to configure qualifier based filters.
diff --git a/Bigtable/src/Filter/Builder/RegexTrait.php b/Bigtable/src/Filter/Builder/RegexTrait.php
index aa844a84fbb8..9f4516364723 100644
--- a/Bigtable/src/Filter/Builder/RegexTrait.php
+++ b/Bigtable/src/Filter/Builder/RegexTrait.php
@@ -37,7 +37,7 @@ trait RegexTrait
     private function buildRegexFilter($value, $setter)
     {
         return new SimpleFilter(
-            (new RowFilter)->$setter($value)
+            (new RowFilter())->$setter($value)
         );
     }
 
diff --git a/Bigtable/src/Filter/Builder/ValueFilter.php b/Bigtable/src/Filter/Builder/ValueFilter.php
index dcb0f1124d32..db883a23e564 100644
--- a/Bigtable/src/Filter/Builder/ValueFilter.php
+++ b/Bigtable/src/Filter/Builder/ValueFilter.php
@@ -105,7 +105,7 @@ public function range()
     public function strip()
     {
         return new SimpleFilter(
-            (new RowFilter)->setStripValueTransformer(true)
+            (new RowFilter())->setStripValueTransformer(true)
         );
     }
 }
diff --git a/Bigtable/src/Filter/ChainFilter.php b/Bigtable/src/Filter/ChainFilter.php
index 39359b2371d7..a6c54e89dd2a 100644
--- a/Bigtable/src/Filter/ChainFilter.php
+++ b/Bigtable/src/Filter/ChainFilter.php
@@ -67,9 +67,9 @@ public function addFilter(FilterInterface $filter)
      */
     public function toProto()
     {
-        $chain = (new Chain)
+        $chain = (new Chain())
             ->setFilters($this->filters);
-        return (new RowFilter)
+        return (new RowFilter())
             ->setChain($chain);
     }
 }
diff --git a/Bigtable/src/Filter/ConditionFilter.php b/Bigtable/src/Filter/ConditionFilter.php
index e94c000bfa02..5f66c9362668 100644
--- a/Bigtable/src/Filter/ConditionFilter.php
+++ b/Bigtable/src/Filter/ConditionFilter.php
@@ -123,7 +123,7 @@ public function toProto()
                 )
             );
         }
-        $condition = (new Condition)
+        $condition = (new Condition())
             ->setPredicateFilter($this->predicateFilter);
         if ($this->trueFilter) {
             $condition->setTrueFilter($this->trueFilter);
@@ -131,7 +131,7 @@ public function toProto()
         if ($this->falseFilter) {
             $condition->setFalseFilter($this->falseFilter);
         }
-        return (new RowFilter)
+        return (new RowFilter())
             ->setCondition($condition);
     }
 }
diff --git a/Bigtable/src/Filter/InterleaveFilter.php b/Bigtable/src/Filter/InterleaveFilter.php
index 9fbe45873ec1..f3e9f06a9ae7 100644
--- a/Bigtable/src/Filter/InterleaveFilter.php
+++ b/Bigtable/src/Filter/InterleaveFilter.php
@@ -67,9 +67,9 @@ public function addFilter(FilterInterface $filter)
      */
     public function toProto()
     {
-        $interleave = (new Interleave)
+        $interleave = (new Interleave())
             ->setFilters($this->filters);
-        return (new RowFilter)
+        return (new RowFilter())
             ->setInterleave($interleave);
     }
 }
diff --git a/Bigtable/src/Mutations.php b/Bigtable/src/Mutations.php
index 0bb1de804d85..7a12861a46b5 100644
--- a/Bigtable/src/Mutations.php
+++ b/Bigtable/src/Mutations.php
@@ -49,7 +49,7 @@ class Mutations
      */
     public function upsert($family, $qualifier, $value, $timeStamp = null)
     {
-        $mutationSetCell = (new SetCell)
+        $mutationSetCell = (new SetCell())
             ->setFamilyName($family)
             ->setColumnQualifier($qualifier)
             ->setValue($value);
@@ -63,7 +63,7 @@ public function upsert($family, $qualifier, $value, $timeStamp = null)
         } else {
             $mutationSetCell->setTimestampMicros($timeStamp);
         }
-        $this->mutations[] = (new Mutation)->setSetCell($mutationSetCell);
+        $this->mutations[] = (new Mutation())->setSetCell($mutationSetCell);
         return $this;
     }
 
@@ -76,9 +76,9 @@ public function upsert($family, $qualifier, $value, $timeStamp = null)
      */
     public function deleteFromFamily($family)
     {
-        $this->mutations[] = (new Mutation)
+        $this->mutations[] = (new Mutation())
             ->setDeleteFromFamily(
-                (new DeleteFromFamily)->setFamilyName($family)
+                (new DeleteFromFamily())->setFamilyName($family)
             );
         return $this;
     }
@@ -97,11 +97,11 @@ public function deleteFromFamily($family)
      */
     public function deleteFromColumn($family, $qualifier, array $timeRange = [])
     {
-        $deleteFromColumn = (new DeleteFromColumn)
+        $deleteFromColumn = (new DeleteFromColumn())
             ->setFamilyName($family)
             ->setColumnQualifier($qualifier);
         if (!empty($timeRange)) {
-            $timestampRange = new TimestampRange;
+            $timestampRange = new TimestampRange();
             if (isset($timeRange['start'])) {
                 $timestampRange->setStartTimestampMicros($timeRange['start']);
             }
@@ -110,7 +110,7 @@ public function deleteFromColumn($family, $qualifier, array $timeRange = [])
             }
             $deleteFromColumn->setTimeRange($timestampRange);
         }
-        $this->mutations[] = (new Mutation)->setDeleteFromColumn($deleteFromColumn);
+        $this->mutations[] = (new Mutation())->setDeleteFromColumn($deleteFromColumn);
         return $this;
     }
 
@@ -121,7 +121,7 @@ public function deleteFromColumn($family, $qualifier, array $timeRange = [])
      */
     public function deleteRow()
     {
-        $this->mutations[] = (new Mutation)->setDeleteFromRow(new DeleteFromRow);
+        $this->mutations[] = (new Mutation())->setDeleteFromRow(new DeleteFromRow());
         return $this;
     }
 
diff --git a/Bigtable/src/ReadModifyWriteRowRules.php b/Bigtable/src/ReadModifyWriteRowRules.php
index 7843331640c8..40e9df45cdad 100644
--- a/Bigtable/src/ReadModifyWriteRowRules.php
+++ b/Bigtable/src/ReadModifyWriteRowRules.php
@@ -45,7 +45,7 @@ class ReadModifyWriteRowRules
      */
     public function append($familyName, $qualifier, $value)
     {
-        $this->rules[] = (new ReadModifyWriteRule)
+        $this->rules[] = (new ReadModifyWriteRule())
             ->setFamilyName($familyName)
             ->setColumnQualifier($qualifier)
             ->setAppendValue($value);
@@ -65,7 +65,7 @@ public function append($familyName, $qualifier, $value)
      */
     public function increment($familyName, $qualifier, $amount)
     {
-        $this->rules[] = (new ReadModifyWriteRule)
+        $this->rules[] = (new ReadModifyWriteRule())
             ->setFamilyName($familyName)
             ->setColumnQualifier($qualifier)
             ->setIncrementAmount($amount);
diff --git a/Bigtable/src/ResumableStream.php b/Bigtable/src/ResumableStream.php
index 5a8c9f2ea550..d85597347eb4 100644
--- a/Bigtable/src/ResumableStream.php
+++ b/Bigtable/src/ResumableStream.php
@@ -209,7 +209,7 @@ public static function isRetryable($code)
         return isset(self::$retryableStatusCodes[$code]);
     }
 
-    private function getMaxRetries(array $options) : int
+    private function getMaxRetries(array $options): int
     {
         $retrySettings = $options['retrySettings'] ?? [];
 
diff --git a/Bigtable/src/Table.php b/Bigtable/src/Table.php
index 71d5d577f3cd..f0c606956b7a 100644
--- a/Bigtable/src/Table.php
+++ b/Bigtable/src/Table.php
@@ -18,22 +18,20 @@
 namespace Google\Cloud\Bigtable;
 
 use Google\ApiCore\ApiException;
+use Google\ApiCore\ArrayTrait;
 use Google\ApiCore\Serializer;
 use Google\Cloud\Bigtable\Exception\BigtableDataOperationException;
 use Google\Cloud\Bigtable\Filter\FilterInterface;
-use Google\Cloud\Bigtable\Mutations;
-use Google\Cloud\Bigtable\ReadModifyWriteRowRules;
-use Google\Cloud\Bigtable\V2\MutateRowsRequest\Entry;
-use Google\Cloud\Bigtable\V2\Row;
-use Google\Cloud\Bigtable\V2\RowRange;
-use Google\Cloud\Bigtable\V2\RowSet;
-use Google\ApiCore\ArrayTrait;
 use Google\Cloud\Bigtable\V2\CheckAndMutateRowRequest;
 use Google\Cloud\Bigtable\V2\Client\BigtableClient as GapicClient;
 use Google\Cloud\Bigtable\V2\MutateRowRequest;
 use Google\Cloud\Bigtable\V2\MutateRowsRequest;
+use Google\Cloud\Bigtable\V2\MutateRowsRequest\Entry;
 use Google\Cloud\Bigtable\V2\ReadModifyWriteRowRequest;
 use Google\Cloud\Bigtable\V2\ReadRowsRequest;
+use Google\Cloud\Bigtable\V2\Row;
+use Google\Cloud\Bigtable\V2\RowRange;
+use Google\Cloud\Bigtable\V2\RowSet;
 use Google\Cloud\Bigtable\V2\SampleRowKeysRequest;
 use Google\Cloud\Core\ApiHelperTrait;
 use Google\Rpc\Code;
@@ -216,7 +214,7 @@ public function upsert(array $rows, array $options = [])
     {
         $entries = [];
         foreach ($rows as $rowKey => $families) {
-            $mutations = new Mutations;
+            $mutations = new Mutations();
             foreach ($families as $family => $qualifiers) {
                 foreach ($qualifiers as $qualifier => $value) {
                     if (isset($value['timeStamp'])) {
@@ -308,7 +306,7 @@ public function readRows(array $options = [])
 
         if ($ranges || $rowKeys) {
             $data['rows'] = $this->serializer->decodeMessage(
-                new RowSet,
+                new RowSet(),
                 [
                     'rowKeys' => $rowKeys,
                     'rowRanges' => $ranges
@@ -520,7 +518,7 @@ public function checkAndMutateRow($rowKey, array $options = [])
         list($data, $optionalArgs) = $this->splitOptionalArgs($options);
         $data['table_name'] = $this->tableName;
         $data['row_key'] = $rowKey;
-        $request = $this->serializer->decodeMessage(new CheckAndMutateRowRequest, $data);
+        $request = $this->serializer->decodeMessage(new CheckAndMutateRowRequest(), $data);
 
         return $this->gapicClient->checkAndMutateRow(
             $request,
@@ -641,7 +639,7 @@ private function appendPendingEntryToFailedMutations(
 
     private function toEntry($rowKey, Mutations $mutations)
     {
-        return (new Entry)
+        return (new Entry())
             ->setRowKey($rowKey)
             ->setMutations($mutations->toProto());
     }
diff --git a/Core/snippet-bootstrap.php b/Core/snippet-bootstrap.php
index 156f1a322227..39897661f4bd 100644
--- a/Core/snippet-bootstrap.php
+++ b/Core/snippet-bootstrap.php
@@ -1,7 +1,7 @@
 <?php
 
-use Google\Cloud\Core\Testing\TestHelpers;
 use DG\BypassFinals;
+use Google\Cloud\Core\Testing\TestHelpers;
 
 TestHelpers::snippetBootstrap();
 
diff --git a/Core/src/AnonymousCredentials.php b/Core/src/AnonymousCredentials.php
index f8c2c9f19733..1f1250625ae1 100644
--- a/Core/src/AnonymousCredentials.php
+++ b/Core/src/AnonymousCredentials.php
@@ -18,8 +18,8 @@
 namespace Google\Cloud\Core;
 
 use Google\Auth\FetchAuthTokenInterface;
-use Google\Auth\UpdateMetadataInterface;
 use Google\Auth\GetQuotaProjectInterface;
+use Google\Auth\UpdateMetadataInterface;
 
 /**
  * Provides an anonymous set of credentials, which is useful for APIs which do
diff --git a/Core/src/ApiHelperTrait.php b/Core/src/ApiHelperTrait.php
index d9900ea22944..245b7e962636 100644
--- a/Core/src/ApiHelperTrait.php
+++ b/Core/src/ApiHelperTrait.php
@@ -20,7 +20,6 @@
 use Google\ApiCore\ArrayTrait;
 use Google\ApiCore\Options\CallOptions;
 use Google\Protobuf\NullValue;
-use Google\Cloud\Core\Duration;
 
 /**
  * @internal
@@ -176,7 +175,7 @@ private function formatTimestampFromApi(array $timestamp)
      */
     private function formatTimestampForApi($value)
     {
-        list ($dt, $nanos) = $this->parseTimeString($value);
+        list($dt, $nanos) = $this->parseTimeString($value);
 
         return [
             'seconds' => (int) $dt->format('U'),
@@ -239,11 +238,11 @@ protected function constructGapic($gapicName, array $config)
      *
      * @return array The modified array
      */
-    private function convertDataToProtos(array $input, array $map) : array
+    private function convertDataToProtos(array $input, array $map): array
     {
         foreach ($map as $key => $className) {
             if (isset($input[$key])) {
-                $input[$key] = $this->serializer->decodeMessage(new $className, $input[$key]);
+                $input[$key] = $this->serializer->decodeMessage(new $className(), $input[$key]);
             }
         }
 
@@ -256,7 +255,7 @@ private function convertDataToProtos(array $input, array $map) : array
      * We strictly treat the parameters allowed by `CallOptions` in GAX as the optional params
      * and everything else that is passed is passed to the Proto message constructor.
      */
-    private function splitOptionalArgs(array $input, array $extraAllowedKeys = []) : array
+    private function splitOptionalArgs(array $input, array $extraAllowedKeys = []): array
     {
         $callOptionFields = array_keys((new CallOptions([]))->toArray());
         $keys = array_merge($callOptionFields, $extraAllowedKeys);
diff --git a/Core/src/Batch/BatchTrait.php b/Core/src/Batch/BatchTrait.php
index 3ac284cf1e6b..591410e62b37 100644
--- a/Core/src/Batch/BatchTrait.php
+++ b/Core/src/Batch/BatchTrait.php
@@ -17,8 +17,6 @@
 
 namespace Google\Cloud\Core\Batch;
 
-use Opis\Closure\SerializableClosure;
-
 /**
  * A trait to assist in the registering and processing of batch jobs.
  *
diff --git a/Core/src/Batch/InterruptTrait.php b/Core/src/Batch/InterruptTrait.php
index dae64456f734..88ef74be60d4 100644
--- a/Core/src/Batch/InterruptTrait.php
+++ b/Core/src/Batch/InterruptTrait.php
@@ -32,10 +32,10 @@ trait InterruptTrait
     private function setupSignalHandlers()
     {
         // setup signal handlers
-        pcntl_signal(SIGTERM, [$this, "sigHandler"]);
-        pcntl_signal(SIGINT, [$this, "sigHandler"]);
-        pcntl_signal(SIGHUP, [$this, "sigHandler"]);
-        pcntl_signal(SIGALRM, [$this, "sigHandler"]);
+        pcntl_signal(SIGTERM, [$this, 'sigHandler']);
+        pcntl_signal(SIGINT, [$this, 'sigHandler']);
+        pcntl_signal(SIGHUP, [$this, 'sigHandler']);
+        pcntl_signal(SIGALRM, [$this, 'sigHandler']);
     }
 
     /**
diff --git a/Core/src/ClientTrait.php b/Core/src/ClientTrait.php
index 5df03e152e3c..2bd86cc1c48d 100644
--- a/Core/src/ClientTrait.php
+++ b/Core/src/ClientTrait.php
@@ -17,8 +17,8 @@
 
 namespace Google\Cloud\Core;
 
-use Google\Auth\CredentialsLoader;
 use Google\Auth\Credentials\GCECredentials;
+use Google\Auth\CredentialsLoader;
 use Google\Cloud\Core\Compute\Metadata;
 use Google\Cloud\Core\Exception\GoogleException;
 
@@ -256,7 +256,7 @@ protected function onGce($httpHandler)
      */
     protected function getMetaData()
     {
-        return new Metadata;
+        return new Metadata();
     }
 
     /**
diff --git a/Core/src/Compute/Metadata.php b/Core/src/Compute/Metadata.php
index d1471c773e86..15a5eea02e9d 100644
--- a/Core/src/Compute/Metadata.php
+++ b/Core/src/Compute/Metadata.php
@@ -142,7 +142,7 @@ public function getNumericProjectId()
      */
     public function getProjectMetadata($key)
     {
-        $path = 'project/attributes/'.$key;
+        $path = 'project/attributes/' . $key;
         return $this->get($path);
     }
 
@@ -159,7 +159,7 @@ public function getProjectMetadata($key)
      */
     public function getInstanceMetadata($key)
     {
-        $path = 'instance/attributes/'.$key;
+        $path = 'instance/attributes/' . $key;
         return $this->get($path);
     }
 }
diff --git a/Core/src/DetectProjectIdTrait.php b/Core/src/DetectProjectIdTrait.php
index 8cd853076387..f0ce26db9255 100644
--- a/Core/src/DetectProjectIdTrait.php
+++ b/Core/src/DetectProjectIdTrait.php
@@ -71,7 +71,7 @@ private function detectProjectId(array $config)
         if ($config['credentials']
             && $config['credentials'] instanceof ProjectIdProviderInterface
             && $projectId = $config['credentials']->getProjectId()) {
-                return $projectId;
+            return $projectId;
         }
 
         if (getenv('GOOGLE_CLOUD_PROJECT')) {
diff --git a/Core/src/GrpcRequestWrapper.php b/Core/src/GrpcRequestWrapper.php
index 9f8d3b50b506..7bcfa7601eb1 100644
--- a/Core/src/GrpcRequestWrapper.php
+++ b/Core/src/GrpcRequestWrapper.php
@@ -17,10 +17,9 @@
 
 namespace Google\Cloud\Core;
 
-use Google\Auth\HttpHandler\HttpHandlerFactory;
-use Google\Cloud\Core\Exception;
 use Google\ApiCore\ApiException;
 use Google\ApiCore\Serializer;
+use Google\Auth\HttpHandler\HttpHandlerFactory;
 use Google\Rpc\Code;
 
 /**
@@ -77,7 +76,7 @@ public function __construct(array $config = [])
 
         $config += [
             'authHttpHandler' => null,
-            'serializer' => new Serializer,
+            'serializer' => new Serializer(),
             'grpcOptions' => []
         ];
 
diff --git a/Core/src/GrpcTrait.php b/Core/src/GrpcTrait.php
index 2573c43192ea..fac9527d7c77 100644
--- a/Core/src/GrpcTrait.php
+++ b/Core/src/GrpcTrait.php
@@ -17,13 +17,11 @@
 
 namespace Google\Cloud\Core;
 
-use Google\Auth\GetUniverseDomainInterface;
 use Google\ApiCore\CredentialsWrapper;
+use Google\Auth\GetUniverseDomainInterface;
 use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Exception\ServiceException;
-use Google\Cloud\Core\GrpcRequestWrapper;
 use Google\Protobuf\NullValue;
-use Google\Cloud\Core\Duration;
 
 /**
  * Provides shared functionality for gRPC service implementations.
@@ -278,7 +276,7 @@ private function formatTimestampFromApi(array $timestamp)
      */
     private function formatTimestampForApi($value)
     {
-        list ($dt, $nanos) = $this->parseTimeString($value);
+        list($dt, $nanos) = $this->parseTimeString($value);
 
         return [
             'seconds' => (int) $dt->format('U'),
diff --git a/Core/src/Iam/IamManager.php b/Core/src/Iam/IamManager.php
index a9e373fe7b89..7e1670a6e7d2 100644
--- a/Core/src/Iam/IamManager.php
+++ b/Core/src/Iam/IamManager.php
@@ -19,11 +19,10 @@
 
 use Google\ApiCore\Serializer;
 use Google\Cloud\Core\ArrayTrait;
-use Google\Cloud\Core\Iam\PolicyBuilder;
-use Google\Cloud\Iam\V1\Policy;
 use Google\Cloud\Core\RequestHandler;
 use Google\Cloud\Iam\V1\GetIamPolicyRequest;
 use Google\Cloud\Iam\V1\GetPolicyOptions;
+use Google\Cloud\Iam\V1\Policy;
 use Google\Cloud\Iam\V1\SetIamPolicyRequest;
 use Google\Cloud\Iam\V1\TestIamPermissionsRequest;
 use InvalidArgumentException;
@@ -152,7 +151,7 @@ public function setPolicy($policy, array $options = [])
         }
 
         $policy = $this->serializer->decodeMessage(
-            new Policy,
+            new Policy(),
             $policy
         );
 
diff --git a/Core/src/Iam/PolicyBuilder.php b/Core/src/Iam/PolicyBuilder.php
index d22962e7cfe5..3de89eb194fb 100644
--- a/Core/src/Iam/PolicyBuilder.php
+++ b/Core/src/Iam/PolicyBuilder.php
@@ -17,8 +17,8 @@
 
 namespace Google\Cloud\Core\Iam;
 
-use InvalidArgumentException;
 use BadMethodCallException;
+use InvalidArgumentException;
 
 /**
  * Helper class for creating valid IAM policies
@@ -284,7 +284,7 @@ public function result()
     private function validatePolicyVersion()
     {
         if (isset($this->version) && $this->version > 1) {
-            throw new BadMethodCallException("Helper methods cannot be " .
+            throw new BadMethodCallException('Helper methods cannot be ' .
                 "invoked on policies with version {$this->version}.");
         }
 
@@ -299,8 +299,8 @@ private function validateConditions()
 
         foreach ($this->bindings as $binding) {
             if (isset($binding['condition'])) {
-                throw new BadMethodCallException("Helper methods cannot " .
-                    "be invoked on policies containing conditions.");
+                throw new BadMethodCallException('Helper methods cannot ' .
+                    'be invoked on policies containing conditions.');
             }
         }
     }
diff --git a/Core/src/Logger/FormatterTrait.php b/Core/src/Logger/FormatterTrait.php
index 095228ed2847..329a507e5b77 100644
--- a/Core/src/Logger/FormatterTrait.php
+++ b/Core/src/Logger/FormatterTrait.php
@@ -36,12 +36,12 @@ protected function formatPayload($record, $message)
         }
 
         list($usec, $sec) = explode(' ', microtime());
-        $usec = (int)(((float)$usec)*1000000000);
-        $sec = (int)$sec;
+        $usec = (int) (((float) $usec) * 1000000000);
+        $sec = (int) $sec;
 
         $payload = [
             'message' => $message,
-            'timestamp'=> ['seconds' => $sec, 'nanos' => $usec],
+            'timestamp' => ['seconds' => $sec, 'nanos' => $usec],
             'thread' => '',
             'severity' => $record['level_name'],
         ];
diff --git a/Core/src/LongRunning/LROTrait.php b/Core/src/LongRunning/LROTrait.php
index 477d5f3ea2b9..ac9a048934aa 100644
--- a/Core/src/LongRunning/LROTrait.php
+++ b/Core/src/LongRunning/LROTrait.php
@@ -19,7 +19,6 @@
 
 use Google\Cloud\Core\Iterator\ItemIterator;
 use Google\Cloud\Core\Iterator\PageIterator;
-use Google\Cloud\Core\LongRunning\LongRunningConnectionInterface;
 
 /**
  * Provide Long Running Operation support to Google Cloud PHP Clients.
@@ -109,7 +108,7 @@ public function longRunningOperations(array $options = [])
 
         $resultLimit = $this->pluck('resultLimit', $options, false) ?: 0;
 
-        $options['name'] = $this->lroResource .'/operations';
+        $options['name'] = $this->lroResource . '/operations';
 
         return new ItemIterator(
             new PageIterator(
diff --git a/Core/src/LongRunning/OperationResponseTrait.php b/Core/src/LongRunning/OperationResponseTrait.php
index 2c5cad0b6a1a..90e133936b27 100644
--- a/Core/src/LongRunning/OperationResponseTrait.php
+++ b/Core/src/LongRunning/OperationResponseTrait.php
@@ -20,7 +20,6 @@
 use Google\ApiCore\OperationResponse;
 use Google\ApiCore\Serializer;
 use Google\GAX\OperationResponse as GaxOperationResponse;
-use Google\GAX\Serializer as GaxSerialzer;
 
 /**
  * Serializes and deserializes ApiCore LRO Response objects.
diff --git a/Core/src/PhpArray.php b/Core/src/PhpArray.php
index f456e70da85c..efd722657637 100644
--- a/Core/src/PhpArray.php
+++ b/Core/src/PhpArray.php
@@ -18,10 +18,10 @@
 namespace Google\Cloud\Core;
 
 use DrSlump\Protobuf;
-use google\protobuf\Value;
 use google\protobuf\ListValue;
 use google\protobuf\NullValue;
 use google\protobuf\Struct;
+use google\protobuf\Value;
 
 /**
  * Extend the Protobuf-PHP array codec to allow messages to match the format
@@ -86,7 +86,7 @@ protected function encodeMessage(Protobuf\Message $message)
 
             if ($field->isRepeated()) {
                 // Make sure the value is an array of values
-                $v = is_array($v) ? $v : array($v);
+                $v = is_array($v) ? $v : [$v];
                 $arr = [];
 
                 foreach ($v as $k => $vv) {
@@ -145,7 +145,7 @@ protected function decodeMessage(Protobuf\Message $message, $data)
 
             if ($field->isRepeated()) {
                 // Make sure the value is an array of values
-                $v = is_array($v) && is_int(key($v)) ? $v : array($v);
+                $v = is_array($v) && is_int(key($v)) ? $v : [$v];
                 foreach ($v as $k => $vv) {
                     $v[$k] = $this->filterValue($vv, $field);
                 }
diff --git a/Core/src/RequestHandler.php b/Core/src/RequestHandler.php
index 6e11b4d61e33..f650b942bfa6 100644
--- a/Core/src/RequestHandler.php
+++ b/Core/src/RequestHandler.php
@@ -17,15 +17,12 @@
 
 namespace Google\Cloud\Core;
 
-use Google\ApiCore\Serializer;
-use Google\Cloud\Core\ArrayTrait;
-use Google\Cloud\Core\Exception\NotFoundException;
-use Google\Cloud\Core\Exception\ServiceException;
-use Google\Cloud\Core\TimeTrait;
-use Google\Cloud\Core\WhitelistTrait;
 use \Google\Protobuf\Internal\Message;
 use Google\ApiCore\ApiException;
 use Google\ApiCore\OperationResponse;
+use Google\ApiCore\Serializer;
+use Google\Cloud\Core\Exception\NotFoundException;
+use Google\Cloud\Core\Exception\ServiceException;
 
 /**
  * @internal
@@ -76,7 +73,7 @@ public function __construct(
             );
         }
         //@codeCoverageIgnoreEnd
-        
+
         // Initialize the client classes and store them in memory
         $this->clients = [];
         foreach ($clientClasses as $className) {
diff --git a/Core/src/RequestProcessorTrait.php b/Core/src/RequestProcessorTrait.php
index 72440cd9194f..0f7c28afe662 100644
--- a/Core/src/RequestProcessorTrait.php
+++ b/Core/src/RequestProcessorTrait.php
@@ -17,14 +17,14 @@
 
 namespace Google\Cloud\Core;
 
-use Google\ApiCore\ServerStream;
-use Google\Rpc\Code;
+use \Google\Protobuf\Internal\Message;
+use Google\ApiCore\OperationResponse;
 use Google\ApiCore\PagedListResponse;
+use Google\ApiCore\ServerStream;
 use Google\Cloud\Core\Exception\ServiceException;
-use Google\ApiCore\OperationResponse;
-use \Google\Protobuf\Internal\Message;
-use Google\Rpc\RetryInfo;
 use Google\Rpc\BadRequest;
+use Google\Rpc\Code;
+use Google\Rpc\RetryInfo;
 
 /**
  * @internal
@@ -140,7 +140,7 @@ private function convertToGoogleException(\Exception $ex): ServiceException
                 if (!isset($this->metadataTypes[$type])) {
                     continue;
                 }
-                $metadataElement = new $this->metadataTypes[$type];
+                $metadataElement = new $this->metadataTypes[$type]();
                 $metadataElement->mergeFromString($binaryValue[0]);
                 $metadata[] = $this->serializer->encodeMessage($metadataElement);
             }
diff --git a/Core/src/RequestWrapper.php b/Core/src/RequestWrapper.php
index 10e6ff729879..849d15f2bec9 100644
--- a/Core/src/RequestWrapper.php
+++ b/Core/src/RequestWrapper.php
@@ -24,15 +24,13 @@
 use Google\Auth\HttpHandler\Guzzle6HttpHandler;
 use Google\Auth\HttpHandler\HttpHandlerFactory;
 use Google\Auth\UpdateMetadataInterface;
-use Google\Cloud\Core\Exception\ServiceException;
-use Google\Cloud\Core\RequestWrapperTrait;
 use Google\Cloud\Core\Exception\GoogleException;
+use Google\Cloud\Core\Exception\ServiceException;
 use GuzzleHttp\Exception\RequestException;
 use GuzzleHttp\Promise\PromiseInterface;
 use GuzzleHttp\Psr7\Utils;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
-use Psr\Http\Message\StreamInterface;
 
 /**
  * The RequestWrapper is responsible for delivering and signing requests.
@@ -370,7 +368,8 @@ private function addAuthHeaders(RequestInterface $request, FetchAuthTokenInterfa
             return $backoff->execute(
                 function () use ($request, $fetcher) {
                     if (!$fetcher instanceof UpdateMetadataInterface ||
-                         ($fetcher instanceof FetchAuthTokenCache &&
+                         (
+                             $fetcher instanceof FetchAuthTokenCache &&
                             !$fetcher->getFetcher() instanceof UpdateMetadataInterface
                          )
                     ) {
diff --git a/Core/src/ServiceBuilder.php b/Core/src/ServiceBuilder.php
index 8071b2753d50..a3824fa43297 100644
--- a/Core/src/ServiceBuilder.php
+++ b/Core/src/ServiceBuilder.php
@@ -317,7 +317,6 @@ public function storage(array $config = [])
         return $this->createClient(StorageClient::class, 'storage', $config);
     }
 
-
     /**
      * Google Stackdriver Trace allows you to collect latency data from your applications
      * and display it in the Google Cloud Platform Console. Find more information at
diff --git a/Core/src/TimeTrait.php b/Core/src/TimeTrait.php
index 773729b8bc1f..6e6a650d29be 100644
--- a/Core/src/TimeTrait.php
+++ b/Core/src/TimeTrait.php
@@ -38,7 +38,7 @@ private function parseTimeString($timestamp)
         $subSeconds = $matches[1] ?? '0';
 
         if (strlen($subSeconds) > 6) {
-            $timestamp = str_replace('.'. $subSeconds, '.' . substr($subSeconds, 0, 6), $timestamp);
+            $timestamp = str_replace('.' . $subSeconds, '.' . substr($subSeconds, 0, 6), $timestamp);
         }
 
         $dt = new \DateTimeImmutable($timestamp);
diff --git a/Core/src/TimestampTrait.php b/Core/src/TimestampTrait.php
index 4ed589e2f7e9..78ea1d355a1f 100644
--- a/Core/src/TimestampTrait.php
+++ b/Core/src/TimestampTrait.php
@@ -18,8 +18,6 @@
 
 namespace Google\Cloud\Core;
 
-use Google\Cloud\Core\Timestamp;
-
 /**
  * Helper methods to work on Google\Cloud\Core\Timestamp.
  * @internal
diff --git a/Core/src/Upload/ResumableUploader.php b/Core/src/Upload/ResumableUploader.php
index 220a2a165941..ecea6703f59f 100644
--- a/Core/src/Upload/ResumableUploader.php
+++ b/Core/src/Upload/ResumableUploader.php
@@ -19,7 +19,6 @@
 
 use Google\Cloud\Core\Exception\GoogleException;
 use Google\Cloud\Core\Exception\ServiceException;
-use Google\Cloud\Core\Exception\UploadException;
 use Google\Cloud\Core\JsonTrait;
 use Google\Cloud\Core\RequestWrapper;
 use GuzzleHttp\Promise\PromiseInterface;
diff --git a/Core/src/ValueMapperTrait.php b/Core/src/ValueMapperTrait.php
index ddb39b390e8c..c9cd904bb232 100644
--- a/Core/src/ValueMapperTrait.php
+++ b/Core/src/ValueMapperTrait.php
@@ -47,7 +47,7 @@ public function createTimestampWithNanos($timestamp, $returnType = Timestamp::cl
             $dt = $this->createDateTimeFromSeconds($timestamp['seconds']);
             $nanos = $timestamp['nanos'];
         } else {
-            list ($dt, $nanos) = $this->parseTimeString($timestamp);
+            list($dt, $nanos) = $this->parseTimeString($timestamp);
         }
 
         return new $returnType($dt, $nanos);
diff --git a/Core/unit-bootstrap.php b/Core/unit-bootstrap.php
index 864cd9436790..001e59dd2ab0 100644
--- a/Core/unit-bootstrap.php
+++ b/Core/unit-bootstrap.php
@@ -1,9 +1,9 @@
 <?php
 
+use DG\BypassFinals;
 use Google\ApiCore\Testing\MessageAwareArrayComparator;
-use Google\ApiCore\Testing\ProtobufMessageComparator;
 use Google\ApiCore\Testing\ProtobufGPBEmptyComparator;
-use DG\BypassFinals;
+use Google\ApiCore\Testing\ProtobufMessageComparator;
 
 date_default_timezone_set('UTC');
 \SebastianBergmann\Comparator\Factory::getInstance()->register(new MessageAwareArrayComparator());
diff --git a/Datastore/src/Connection/Grpc.php b/Datastore/src/Connection/Grpc.php
index 62ff0923a061..e5ef8f1ab097 100644
--- a/Datastore/src/Connection/Grpc.php
+++ b/Datastore/src/Connection/Grpc.php
@@ -139,7 +139,7 @@ public function beginTransaction(array $args)
             });
 
             $args['transactionOptions'] = $this->serializer->decodeMessage(
-                new TransactionOptions,
+                new TransactionOptions(),
                 $args['transactionOptions']
             );
         }
@@ -165,7 +165,7 @@ public function commit(array $args)
             $data = $mutation[$mutationType];
             if (isset($data['properties'])) {
                 foreach ($data['properties'] as &$property) {
-                    list ($type, $val) = $this->toGrpcValue($property);
+                    list($type, $val) = $this->toGrpcValue($property);
 
                     $property[$type] = $val;
                 }
@@ -173,7 +173,7 @@ public function commit(array $args)
 
             $mutation[$mutationType] = $data;
 
-            $mutation = $this->serializer->decodeMessage(new Mutation, $mutation);
+            $mutation = $this->serializer->decodeMessage(new Mutation(), $mutation);
         }
 
         return $this->send([$this->datastoreClient, 'commit'], [
@@ -237,7 +237,7 @@ public function runAggregationQuery(array $args)
             }
 
             $args['aggregationQuery'] = $this->serializer->decodeMessage(
-                new AggregationQuery,
+                new AggregationQuery(),
                 $args['aggregationQuery']
             );
         }
@@ -258,7 +258,7 @@ public function runAggregationQuery(array $args)
     public function runQuery(array $args)
     {
         $partitionId = $this->serializer->decodeMessage(
-            new PartitionId,
+            new PartitionId(),
             $this->pluck('partitionId', $args)
         );
 
@@ -308,7 +308,7 @@ private function parseQuery(array $query)
         }
 
         $parsedQuery = $this->serializer->decodeMessage(
-            new Query,
+            new Query(),
             $query
         );
         return $parsedQuery;
@@ -343,7 +343,7 @@ private function parseGqlQuery(array $gqlQuery)
         }
 
         $parsedGqlQuery = $this->serializer->decodeMessage(
-            new GqlQuery,
+            new GqlQuery(),
             $gqlQuery
         );
 
@@ -401,7 +401,7 @@ private function prepareQueryBinding(array $binding)
     {
         $value = $binding['value'];
 
-        list ($type, $val) = $this->toGrpcValue($value);
+        list($type, $val) = $this->toGrpcValue($value);
 
         $binding['value'][$type] = $val;
 
@@ -435,7 +435,7 @@ private function readOptions(array $readOptions)
         }
 
         return $this->serializer->decodeMessage(
-            new ReadOptions,
+            new ReadOptions(),
             $readOptions
         );
     }
diff --git a/Datastore/src/Connection/Rest.php b/Datastore/src/Connection/Rest.php
index 69e47c27a7ca..3a6cf226a35b 100644
--- a/Datastore/src/Connection/Rest.php
+++ b/Datastore/src/Connection/Rest.php
@@ -129,7 +129,7 @@ public function runAggregationQuery(array $args)
             foreach ($args['aggregationQuery']['aggregations'] as &$aggregation) {
                 $aggregation = array_map(
                     fn ($item) => is_array($item) && count($item) === 0
-                        ? new \stdClass
+                        ? new \stdClass()
                         : $item,
                     $aggregation
                 );
diff --git a/Datastore/src/DatastoreClient.php b/Datastore/src/DatastoreClient.php
index c0773a3a53b5..ae63022fbac5 100644
--- a/Datastore/src/DatastoreClient.php
+++ b/Datastore/src/DatastoreClient.php
@@ -30,7 +30,6 @@
 use Google\Cloud\Datastore\Query\GqlQuery;
 use Google\Cloud\Datastore\Query\Query;
 use Google\Cloud\Datastore\Query\QueryInterface;
-use InvalidArgumentException;
 use Psr\Cache\CacheItemPoolInterface;
 use Psr\Http\Message\StreamInterface;
 
diff --git a/Datastore/src/EntityMapper.php b/Datastore/src/EntityMapper.php
index 34dea73d13c0..17f75930c0e0 100644
--- a/Datastore/src/EntityMapper.php
+++ b/Datastore/src/EntityMapper.php
@@ -19,9 +19,6 @@
 
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Int64;
-use Google\Cloud\Datastore\Entity;
-use Google\Cloud\Datastore\GeoPoint;
-use Google\Cloud\Datastore\Key;
 
 /**
  * Utility methods for mapping between datastore and {@see \Google\Cloud\Datastore\Entity}.
@@ -329,7 +326,6 @@ public function convertValue($type, $value, $className = Entity::class)
                 break;
         }
 
-
         return $result;
     }
 
@@ -413,7 +409,7 @@ public function valueObject($value, $exclude = false, $meaning = null)
                 ];
                 break;
 
-            //@codeCoverageIgnoreStart
+                //@codeCoverageIgnoreStart
             case 'unknown type':
                 throw new \InvalidArgumentException(sprintf(
                     'Unknown type for `%s',
@@ -427,7 +423,7 @@ public function valueObject($value, $exclude = false, $meaning = null)
                     $value
                 ));
                 break;
-            //@codeCoverageIgnoreEnd
+                //@codeCoverageIgnoreEnd
         }
 
         if ($exclude) {
diff --git a/Datastore/src/Key.php b/Datastore/src/Key.php
index fa630ddca213..a74c652fcffb 100644
--- a/Datastore/src/Key.php
+++ b/Datastore/src/Key.php
@@ -505,7 +505,7 @@ private function normalizePath(array $path)
             }
 
             $incomplete = (!isset($pathElement['id']) && !isset($pathElement['name']));
-            if ($index < count($path) -1 && $incomplete) {
+            if ($index < count($path) - 1 && $incomplete) {
                 throw new InvalidArgumentException(
                     'Only the final pathElement may omit a name or ID.'
                 );
diff --git a/Datastore/src/Query/Filter.php b/Datastore/src/Query/Filter.php
index a435b07b2a82..3d80539b87a5 100644
--- a/Datastore/src/Query/Filter.php
+++ b/Datastore/src/Query/Filter.php
@@ -17,8 +17,6 @@
 
 namespace Google\Cloud\Datastore\Query;
 
-use Google\Cloud\Datastore\Query\Query;
-
 /**
  * Represents an interface to create composite and property filters for
  * Google\Cloud\Datastore\Query\Query via static methods.
diff --git a/Datastore/src/Query/GqlQuery.php b/Datastore/src/Query/GqlQuery.php
index e6b4427ff4ce..e8b2b746b3aa 100644
--- a/Datastore/src/Query/GqlQuery.php
+++ b/Datastore/src/Query/GqlQuery.php
@@ -176,7 +176,7 @@ public function queryObject()
      */
     public function queryKey()
     {
-        return "gqlQuery";
+        return 'gqlQuery';
     }
 
     public function aggregation()
@@ -207,7 +207,8 @@ public function canPaginate()
      */
     public function start($cursor)
     //@codingStandardsIgnoreStart
-    {}
+    {
+    }
     //@codingStandardsIgnoreEnd
 
     /**
diff --git a/Datastore/src/Query/Query.php b/Datastore/src/Query/Query.php
index 1da0cf971a08..3ef61ec08b9d 100644
--- a/Datastore/src/Query/Query.php
+++ b/Datastore/src/Query/Query.php
@@ -507,7 +507,7 @@ public function queryObject()
      */
     public function queryKey()
     {
-        return "query";
+        return 'query';
     }
 
     public function aggregation(Aggregation $aggregation)
diff --git a/Datastore/src/TransactionTrait.php b/Datastore/src/TransactionTrait.php
index 367e3982a7b3..b30176e54f89 100644
--- a/Datastore/src/TransactionTrait.php
+++ b/Datastore/src/TransactionTrait.php
@@ -17,8 +17,8 @@
 
 namespace Google\Cloud\Datastore;
 
-use Google\Cloud\Datastore\Query\QueryInterface;
 use Google\Cloud\Datastore\Query\AggregationQuery;
+use Google\Cloud\Datastore\Query\QueryInterface;
 
 /**
  * Common operations for datastore transactions.
diff --git a/Debugger/src/Agent.php b/Debugger/src/Agent.php
index 1cf38d1a75b0..be7db88519b0 100644
--- a/Debugger/src/Agent.php
+++ b/Debugger/src/Agent.php
@@ -20,8 +20,8 @@
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Batch\BatchDaemonTrait;
 use Google\Cloud\Core\Batch\BatchTrait;
-use Google\Cloud\Core\ExponentialBackoff;
 use Google\Cloud\Core\Exception\ServiceException;
+use Google\Cloud\Core\ExponentialBackoff;
 use Google\Cloud\Core\SysvTrait;
 use Google\Cloud\Debugger\BreakpointStorage\BreakpointStorageInterface;
 use Google\Cloud\Debugger\BreakpointStorage\FileBreakpointStorage;
diff --git a/Debugger/src/Breakpoint.php b/Debugger/src/Breakpoint.php
index 17b4b5c515df..ce973ca1bcd5 100644
--- a/Debugger/src/Breakpoint.php
+++ b/Debugger/src/Breakpoint.php
@@ -509,7 +509,7 @@ public function info()
     public function finalize()
     {
         list($usec, $sec) = explode(' ', microtime());
-        $micro = sprintf("%06d", (float) $usec * 1000000);
+        $micro = sprintf('%06d', (float) $usec * 1000000);
         $when = new \DateTime(date('Y-m-d H:i:s.' . $micro));
         $when->setTimezone(new \DateTimeZone('UTC'));
         $this->finalTime = $when->format('Y-m-d\TH:i:s.u\Z');
diff --git a/Debugger/src/Connection/Firebase.php b/Debugger/src/Connection/Firebase.php
index e22ebb9001c2..986a136e80c1 100644
--- a/Debugger/src/Connection/Firebase.php
+++ b/Debugger/src/Connection/Firebase.php
@@ -18,8 +18,8 @@
 namespace Google\Cloud\Debugger\Connection;
 
 use Google\Cloud\Core\ArrayTrait;
-use Kreait\Firebase\Factory;
 use Kreait\Firebase\Database;
+use Kreait\Firebase\Factory;
 
 /**
  * Implementation of the Firebase connection
@@ -110,9 +110,9 @@ public function registerDebuggee(array $args = [])
         $descriptionData = explode(':', $debuggee['description']);
         $debuggee['labels']['module'] = $descriptionData[0];
         $debuggee['labels']['version'] = $descriptionData[1];
-        $debuggee['registrationTimeUnixMsec'] = $debuggee['lastUpdateTimeUnixMsec'] = round(microtime(true)*1000);
+        $debuggee['registrationTimeUnixMsec'] = $debuggee['lastUpdateTimeUnixMsec'] = round(microtime(true) * 1000);
         $reference->set($debuggee);
-        $args['debuggee']=$existingDebuggee;
+        $args['debuggee'] = $existingDebuggee;
         return $args;
     }
 
@@ -153,7 +153,7 @@ public function updateBreakpoint(array $args)
         // we remove the breakpoint from the active list
         $reference = $this->database->getReference('cdbg/breakpoints/' . $debuggeeId . '/active/' . $breakpointId);
         $reference->remove();
-        $breakpoint['finalTimeUnixMsec'] = round(microtime(true)*1000);
+        $breakpoint['finalTimeUnixMsec'] = round(microtime(true) * 1000);
         // then we add it to the snapshot list
         $reference = $this->database->getReference('cdbg/breakpoints/' . $debuggeeId . '/snapshot/' . $breakpointId);
         $reference->set($breakpoint);
diff --git a/Debugger/src/Connection/Grpc.php b/Debugger/src/Connection/Grpc.php
index 0ceaec51b4ec..0b741656555e 100644
--- a/Debugger/src/Connection/Grpc.php
+++ b/Debugger/src/Connection/Grpc.php
@@ -22,8 +22,8 @@
 use Google\Cloud\Core\GrpcTrait;
 use Google\Cloud\Debugger\DebuggerClient;
 use Google\Cloud\Debugger\V2\Breakpoint;
-use Google\Cloud\Debugger\V2\Debuggee;
 use Google\Cloud\Debugger\V2\Controller2Client;
+use Google\Cloud\Debugger\V2\Debuggee;
 use Google\Cloud\Debugger\V2\Debugger2Client;
 
 /**
diff --git a/Debugger/src/Daemon.php b/Debugger/src/Daemon.php
index 19ad51ea1967..2f2487f89579 100644
--- a/Debugger/src/Daemon.php
+++ b/Debugger/src/Daemon.php
@@ -19,13 +19,11 @@
 
 use Google\Cloud\Core\Batch\ClosureSerializerInterface;
 use Google\Cloud\Core\Batch\SimpleJobTrait;
-use Google\Cloud\Core\Batch\SerializableClientTrait;
-use Google\Cloud\Core\SysvTrait;
-use Google\Cloud\Core\Report\MetadataProviderInterface;
-use Google\Cloud\Core\Report\MetadataProviderUtils;
 use Google\Cloud\Core\Exception\ConflictException;
 use Google\Cloud\Core\Exception\ServiceException;
 use Google\Cloud\Core\ExponentialBackoff;
+use Google\Cloud\Core\Report\MetadataProviderInterface;
+use Google\Cloud\Core\Report\MetadataProviderUtils;
 use Google\Cloud\Debugger\BreakpointStorage\BreakpointStorageInterface;
 use Google\Cloud\Debugger\BreakpointStorage\FileBreakpointStorage;
 use Google\Cloud\Debugger\BreakpointStorage\SysvBreakpointStorage;
diff --git a/Debugger/src/Debuggee.php b/Debugger/src/Debuggee.php
index 08c9b22712ea..4bc5a3899a32 100644
--- a/Debugger/src/Debuggee.php
+++ b/Debugger/src/Debuggee.php
@@ -17,8 +17,8 @@
 
 namespace Google\Cloud\Debugger;
 
-use Google\Cloud\Debugger\Connection\ConnectionInterface;
 use Google\Cloud\Core\Exception\ServiceException;
+use Google\Cloud\Debugger\Connection\ConnectionInterface;
 
 /**
  * This class represents a debuggee - a service that can handle breakpoints.
diff --git a/Debugger/src/DebuggerClient.php b/Debugger/src/DebuggerClient.php
index 1de7af632edc..b798748104cd 100644
--- a/Debugger/src/DebuggerClient.php
+++ b/Debugger/src/DebuggerClient.php
@@ -19,9 +19,9 @@
 
 use Google\Cloud\Core\ClientTrait;
 use Google\Cloud\Debugger\Connection\ConnectionInterface;
+use Google\Cloud\Debugger\Connection\Firebase;
 use Google\Cloud\Debugger\Connection\Grpc;
 use Google\Cloud\Debugger\Connection\Rest;
-use Google\Cloud\Debugger\Connection\Firebase;
 use Psr\Cache\CacheItemPoolInterface;
 
 /**
diff --git a/Debugger/src/VariableTable.php b/Debugger/src/VariableTable.php
index 1e1215e358fe..f00ebef0450d 100644
--- a/Debugger/src/VariableTable.php
+++ b/Debugger/src/VariableTable.php
@@ -273,7 +273,7 @@ private function doRegister($name, $value, $depth, $hash)
 
     private function truncatedStringValue($value)
     {
-        $ret = (string)$value;
+        $ret = (string) $value;
         if (strlen($ret) > $this->maxValueLength) {
             $ret = substr($ret, 0, $this->maxValueLength - 3) . '...';
         }
diff --git a/ErrorReporting/src/Bootstrap.php b/ErrorReporting/src/Bootstrap.php
index 1a94cac6b389..814246820125 100644
--- a/ErrorReporting/src/Bootstrap.php
+++ b/ErrorReporting/src/Bootstrap.php
@@ -120,7 +120,7 @@ public static function getErrorLevelString($level)
      */
     public static function exceptionHandler($ex)
     {
-        $message = sprintf('PHP Notice: %s', (string)$ex);
+        $message = sprintf('PHP Notice: %s', (string) $ex);
         if (self::$psrLogger) {
             $service = self::$psrLogger->getMetadataProvider()->serviceId();
             $version = self::$psrLogger->getMetadataProvider()->versionId();
diff --git a/Firestore/src/Aggregate.php b/Firestore/src/Aggregate.php
index 9362a2cb6cb6..be02e3956233 100644
--- a/Firestore/src/Aggregate.php
+++ b/Firestore/src/Aggregate.php
@@ -17,8 +17,6 @@
 
 namespace Google\Cloud\Firestore;
 
-use InvalidArgumentException;
-
 /**
  * Represents Aggregate properties.
  *
diff --git a/Firestore/src/AggregateQuery.php b/Firestore/src/AggregateQuery.php
index 79a5aeb72862..f042cdde7453 100644
--- a/Firestore/src/AggregateQuery.php
+++ b/Firestore/src/AggregateQuery.php
@@ -18,7 +18,6 @@
 namespace Google\Cloud\Firestore;
 
 use Google\Cloud\Firestore\Connection\ConnectionInterface;
-use Google\Cloud\Firestore\QueryTrait;
 
 /**
  * A Cloud Firestore Aggregate Query.
diff --git a/Firestore/src/BulkWriter.php b/Firestore/src/BulkWriter.php
index cd0af73888fe..38ef6113b830 100644
--- a/Firestore/src/BulkWriter.php
+++ b/Firestore/src/BulkWriter.php
@@ -1132,14 +1132,14 @@ private function createDatabaseWriteOperation($type, $document, array $options =
                 ];
                 break;
 
-            // @codeCoverageIgnoreStart
+                // @codeCoverageIgnoreStart
             default:
                 throw new \InvalidArgumentException(sprintf(
                     'Write operation type `%s is not valid. Allowed values are update, delete, verify, transform.',
                     $type
                 ));
                 break;
-            // @codeCoverageIgnoreEnd
+                // @codeCoverageIgnoreEnd
         }
     }
 
diff --git a/Firestore/src/Connection/Grpc.php b/Firestore/src/Connection/Grpc.php
index 037ee6a7b96f..608b7e18c109 100644
--- a/Firestore/src/Connection/Grpc.php
+++ b/Firestore/src/Connection/Grpc.php
@@ -18,17 +18,17 @@
 namespace Google\Cloud\Firestore\Connection;
 
 use Google\ApiCore\Serializer;
-use Google\Cloud\Core\GrpcTrait;
 use Google\Cloud\Core\EmulatorTrait;
-use Google\Cloud\Firestore\V1\Write;
 use Google\Cloud\Core\GrpcRequestWrapper;
+use Google\Cloud\Core\GrpcTrait;
+use Google\Cloud\Firestore\FirestoreClient as ManualFirestoreClient;
 use Google\Cloud\Firestore\V1\DocumentMask;
 use Google\Cloud\Firestore\V1\FirestoreClient;
 use Google\Cloud\Firestore\V1\StructuredAggregationQuery;
 use Google\Cloud\Firestore\V1\StructuredQuery;
 use Google\Cloud\Firestore\V1\TransactionOptions;
 use Google\Cloud\Firestore\V1\TransactionOptions\ReadWrite;
-use Google\Cloud\Firestore\FirestoreClient as ManualFirestoreClient;
+use Google\Cloud\Firestore\V1\Write;
 use Google\Protobuf\Timestamp as ProtobufTimestamp;
 
 /**
@@ -153,13 +153,13 @@ public function batchGetDocuments(array $args)
      */
     public function beginTransaction(array $args)
     {
-        $rw = new ReadWrite;
+        $rw = new ReadWrite();
         $retry = $this->pluck('retryTransaction', $args, false);
         if ($retry) {
             $rw->setRetryTransaction($retry);
         }
 
-        $args['options'] = new TransactionOptions;
+        $args['options'] = new TransactionOptions();
         $args['options']->setReadWrite($rw);
 
         return $this->send([$this->firestore, 'beginTransaction'], [
@@ -176,7 +176,7 @@ public function commit(array $args)
     {
         $writes = $this->pluck('writes', $args);
         foreach ($writes as $idx => $write) {
-            $writes[$idx] = $this->serializer->decodeMessage(new Write, $write);
+            $writes[$idx] = $this->serializer->decodeMessage(new Write(), $write);
         }
 
         return $this->send([$this->firestore, 'commit'], [
@@ -195,7 +195,7 @@ public function batchWrite(array $args)
         $writes = $this->pluck('writes', $args);
         foreach ($writes as $idx => $write) {
             $args['writes'][$idx] = $this->serializer->decodeMessage(
-                new Write,
+                new Write(),
                 $write
             );
         }
@@ -259,7 +259,7 @@ public function rollback(array $args)
     public function runQuery(array $args)
     {
         $args['structuredQuery'] = $this->serializer->decodeMessage(
-            new StructuredQuery,
+            new StructuredQuery(),
             $this->pluck('structuredQuery', $args)
         );
         $args = $this->decodeTimestamp($args);
@@ -283,7 +283,7 @@ public function runAggregationQuery(array $args)
             );
         }
         $args['structuredAggregationQuery'] = $this->serializer->decodeMessage(
-            new StructuredAggregationQuery,
+            new StructuredAggregationQuery(),
             $this->pluck('structuredAggregationQuery', $args)
         );
 
diff --git a/Firestore/src/DocumentSnapshot.php b/Firestore/src/DocumentSnapshot.php
index f77cc329a9ac..ce1cea3db73a 100644
--- a/Firestore/src/DocumentSnapshot.php
+++ b/Firestore/src/DocumentSnapshot.php
@@ -289,7 +289,7 @@ public function get($fieldPath)
 
         $fields = $this->data;
         foreach ($parts as $idx => $part) {
-            if ($idx === $len-1 && array_key_exists($part, $fields)) {
+            if ($idx === $len - 1 && array_key_exists($part, $fields)) {
                 $res = $fields[$part];
                 break;
             } else {
diff --git a/Firestore/src/FirestoreSessionHandler.php b/Firestore/src/FirestoreSessionHandler.php
index e3c502301a04..aba076bfe1b5 100644
--- a/Firestore/src/FirestoreSessionHandler.php
+++ b/Firestore/src/FirestoreSessionHandler.php
@@ -17,8 +17,8 @@
 namespace Google\Cloud\Firestore;
 
 use Google\Cloud\Core\Exception\ServiceException;
-use SessionHandlerInterface;
 use Google\Cloud\Firestore\Connection\ConnectionInterface;
+use SessionHandlerInterface;
 
 /**
  * Custom session handler backed by Cloud Firestore.
diff --git a/Firestore/src/Query.php b/Firestore/src/Query.php
index 8147d7e89285..9f8fa8066df8 100644
--- a/Firestore/src/Query.php
+++ b/Firestore/src/Query.php
@@ -20,10 +20,7 @@
 use Google\Cloud\Core\DebugInfoTrait;
 use Google\Cloud\Core\ExponentialBackoff;
 use Google\Cloud\Firestore\Connection\ConnectionInterface;
-use Google\Cloud\Firestore\DocumentSnapshot;
 use Google\Cloud\Firestore\FieldValue\FieldValueInterface;
-use Google\Cloud\Firestore\QueryTrait;
-use Google\Cloud\Firestore\SnapshotTrait;
 use Google\Cloud\Firestore\V1\StructuredQuery\CompositeFilter\Operator;
 use Google\Cloud\Firestore\V1\StructuredQuery\Direction;
 use Google\Cloud\Firestore\V1\StructuredQuery\FieldFilter\Operator as FieldFilterOperator;
@@ -1114,7 +1111,7 @@ private function createFieldFilter($fieldPath, $operator, $value)
             ];
         } else {
             $encodedValue = ($operator === FieldFilterOperator::IN || $operator === FieldFilterOperator::NOT_IN)
-                ? $this->valueMapper->encodeMultiValue((array)$value)
+                ? $this->valueMapper->encodeMultiValue((array) $value)
                 : $this->valueMapper->encodeValue($value);
 
             $filter = [
diff --git a/Firestore/src/SnapshotTrait.php b/Firestore/src/SnapshotTrait.php
index 982a5af40de5..5ed0cce630d9 100644
--- a/Firestore/src/SnapshotTrait.php
+++ b/Firestore/src/SnapshotTrait.php
@@ -20,10 +20,9 @@
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Timestamp;
-use Google\Cloud\Core\TimeTrait;
 use Google\Cloud\Core\TimestampTrait;
+use Google\Cloud\Core\TimeTrait;
 use Google\Cloud\Firestore\Connection\ConnectionInterface;
-use Google\Cloud\Firestore\DocumentReference;
 
 /**
  * Methods common to representing Document Snapshots.
diff --git a/Firestore/src/ValueMapper.php b/Firestore/src/ValueMapper.php
index 9cff16bb952a..ba128339e3c7 100644
--- a/Firestore/src/ValueMapper.php
+++ b/Firestore/src/ValueMapper.php
@@ -241,14 +241,14 @@ public function encodeValue($value)
                 return ['nullValue' => NullValue::NULL_VALUE];
                 break;
 
-            // @codeCoverageIgnoreStart
+                // @codeCoverageIgnoreStart
             default:
                 throw new \RuntimeException(sprintf(
                     'Invalid value type %s',
                     $type
                 ));
                 break;
-            // @codeCoverageIgnoreEnd
+                // @codeCoverageIgnoreEnd
         }
     }
 
@@ -296,7 +296,7 @@ private function encodeObjectValue($value)
             return [
                 'timestampValue' => [
                     'seconds' => $value->format('U'),
-                    'nanos' => (int)($value->format('u') * 1000)
+                    'nanos' => (int) ($value->format('u') * 1000)
                 ]
             ];
         }
diff --git a/Firestore/src/WriteBatch.php b/Firestore/src/WriteBatch.php
index eb1f38d03360..442054c820d0 100644
--- a/Firestore/src/WriteBatch.php
+++ b/Firestore/src/WriteBatch.php
@@ -18,24 +18,24 @@
 namespace Google\Cloud\Firestore;
 
 if (false) {
-/**
- * Enqueue and write multiple mutations to Cloud Firestore.
- *
- * This class may be used directly for multiple non-transactional writes. To
- * run changes in a transaction (with automatic retry/rollback on failure),
- * use {@see \Google\Cloud\Firestore\Transaction}. Single modifications can be
- * made using the various methods on {@see \Google\Cloud\Firestore\DocumentReference}.
- *
- * Example:
- * ```
- * use Google\Cloud\Firestore\FirestoreClient;
- *
- * $firestore = new FirestoreClient();
- * $batch = $firestore->batch();
- * ```
- * This class is deprecated. Use Google\Cloud\Firestore\BulkWriter instead.
- * @deprecated
- */
+    /**
+     * Enqueue and write multiple mutations to Cloud Firestore.
+     *
+     * This class may be used directly for multiple non-transactional writes. To
+     * run changes in a transaction (with automatic retry/rollback on failure),
+     * use {@see \Google\Cloud\Firestore\Transaction}. Single modifications can be
+     * made using the various methods on {@see \Google\Cloud\Firestore\DocumentReference}.
+     *
+     * Example:
+     * ```
+     * use Google\Cloud\Firestore\FirestoreClient;
+     *
+     * $firestore = new FirestoreClient();
+     * $batch = $firestore->batch();
+     * ```
+     * This class is deprecated. Use Google\Cloud\Firestore\BulkWriter instead.
+     * @deprecated
+     */
     class WriteBatch
     {
     }
diff --git a/Logging/src/LoggingClient.php b/Logging/src/LoggingClient.php
index 13eb4fd4fdb8..fd092420bfb5 100644
--- a/Logging/src/LoggingClient.php
+++ b/Logging/src/LoggingClient.php
@@ -464,7 +464,7 @@ public function entries(array $options = [])
         $resourceNames = ['projects/' . $this->projectId];
         if (isset($options['projectIds'])) {
             foreach ($options['projectIds'] as $projectId) {
-                  $resourceNames[] = 'projects/' . $projectId;
+                $resourceNames[] = 'projects/' . $projectId;
             }
             unset($options['projectIds']);
         }
diff --git a/PubSub/src/BatchPublisher.php b/PubSub/src/BatchPublisher.php
index 9b16d92f6391..4fb98272e45e 100644
--- a/PubSub/src/BatchPublisher.php
+++ b/PubSub/src/BatchPublisher.php
@@ -17,9 +17,7 @@
 
 namespace Google\Cloud\PubSub;
 
-use Google\Cloud\Core\Batch\BatchRunner;
 use Google\Cloud\Core\Batch\BatchTrait;
-use Google\Cloud\PubSub\Topic;
 
 /**
  * Publishes messages to Google Cloud Pub\Sub with background batching.
diff --git a/PubSub/src/PubSubClient.php b/PubSub/src/PubSubClient.php
index 69dcd45f31a8..b1acf1365b20 100644
--- a/PubSub/src/PubSubClient.php
+++ b/PubSub/src/PubSubClient.php
@@ -17,11 +17,12 @@
 
 namespace Google\Cloud\PubSub;
 
+use Google\ApiCore\ClientOptionsTrait;
 use Google\ApiCore\Serializer;
 use Google\Cloud\Core\ApiHelperTrait;
+use Google\Cloud\Core\DetectProjectIdTrait;
 use Google\Cloud\Core\Duration;
 use Google\Cloud\Core\Exception\BadRequestException;
-use Google\Cloud\Core\DetectProjectIdTrait;
 use Google\Cloud\Core\Iterator\ItemIterator;
 use Google\Cloud\Core\Iterator\PageIterator;
 use Google\Cloud\Core\RequestHandler;
@@ -35,12 +36,10 @@
 use Google\Cloud\PubSub\V1\ListSnapshotsRequest;
 use Google\Cloud\PubSub\V1\ListSubscriptionsRequest;
 use Google\Cloud\PubSub\V1\ListTopicsRequest;
-use InvalidArgumentException;
 use Google\Cloud\PubSub\V1\Schema as SchemaProto;
 use Google\Cloud\PubSub\V1\Schema\Type;
 use Google\Cloud\PubSub\V1\ValidateMessageRequest;
 use Google\Cloud\PubSub\V1\ValidateSchemaRequest;
-use Google\ApiCore\ClientOptionsTrait;
 
 /**
  * Google Cloud Pub/Sub allows you to send and receive
@@ -183,7 +182,7 @@ public function __construct(array $config = [])
             'transportConfig' => [
                 'grpc' => [
                     // increase default limit to 4MB to prevent metadata exhausted errors
-                    'stubOpts' => ['grpc.max_metadata_size' => 4 * 1024 * 1024,]
+                    'stubOpts' => ['grpc.max_metadata_size' => 4 * 1024 * 1024, ]
                 ]
             ]
         ];
diff --git a/PubSub/src/Schema.php b/PubSub/src/Schema.php
index 6107c9a11900..20af85455faa 100644
--- a/PubSub/src/Schema.php
+++ b/PubSub/src/Schema.php
@@ -17,8 +17,8 @@
 
 namespace Google\Cloud\PubSub;
 
-use Google\ApiCore\Serializer;
 use Google\ApiCore\ArrayTrait;
+use Google\ApiCore\Serializer;
 use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\RequestHandler;
 use Google\Cloud\PubSub\V1\Client\SchemaServiceClient;
@@ -27,9 +27,9 @@
 use Google\Cloud\PubSub\V1\DeleteSchemaRevisionRequest;
 use Google\Cloud\PubSub\V1\GetSchemaRequest;
 use Google\Cloud\PubSub\V1\ListSchemaRevisionsRequest;
-use Google\Cloud\PubSub\V1\SchemaView;
 use Google\Cloud\PubSub\V1\Schema as SchemaProto;
 use Google\Cloud\PubSub\V1\Schema\Type;
+use Google\Cloud\PubSub\V1\SchemaView;
 
 /**
  * Represents a Pub/Sub Schema resource.
@@ -313,7 +313,7 @@ public function commit($definition, $type, array $options = [])
      */
     public function deleteRevision($revisionId, $options = [])
     {
-        $revisionName = $this->name .'@' . $revisionId;
+        $revisionName = $this->name . '@' . $revisionId;
 
         $request = $this->serializer->decodeMessage(
             new DeleteSchemaRevisionRequest(),
diff --git a/PubSub/src/Snapshot.php b/PubSub/src/Snapshot.php
index ad02e6c2b3c1..f2ca2517b24f 100644
--- a/PubSub/src/Snapshot.php
+++ b/PubSub/src/Snapshot.php
@@ -17,12 +17,12 @@
 
 namespace Google\Cloud\PubSub;
 
-use Google\ApiCore\Serializer;
 use Google\ApiCore\ArrayTrait;
+use Google\ApiCore\Serializer;
 use Google\Cloud\Core\RequestHandler;
+use Google\Cloud\PubSub\V1\Client\SubscriberClient;
 use Google\Cloud\PubSub\V1\CreateSnapshotRequest;
 use Google\Cloud\PubSub\V1\DeleteSnapshotRequest;
-use Google\Cloud\PubSub\V1\Client\SubscriberClient;
 
 /**
  * Represents a Pub/Sub Snapshot
diff --git a/PubSub/src/Subscription.php b/PubSub/src/Subscription.php
index d4297f1472e0..0c2a2d7a6074 100644
--- a/PubSub/src/Subscription.php
+++ b/PubSub/src/Subscription.php
@@ -21,28 +21,26 @@
 use Google\ApiCore\Serializer;
 use Google\Cloud\Core\ApiHelperTrait;
 use Google\Cloud\Core\Duration;
-use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Exception\BadRequestException;
-use Google\Cloud\Core\ExponentialBackoff;
+use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Iam\IamManager;
 use Google\Cloud\Core\RequestHandler;
 use Google\Cloud\Core\Timestamp;
 use Google\Cloud\Core\TimeTrait;
 use Google\Cloud\Core\ValidateTrait;
-use Google\Cloud\PubSub\IncomingMessageTrait;
 use Google\Cloud\PubSub\V1\AcknowledgeRequest;
 use Google\Cloud\PubSub\V1\Client\PublisherClient;
-use Google\Cloud\PubSub\V1\DeadLetterPolicy;
-use Google\Cloud\PubSub\V1\ExpirationPolicy;
-use Google\Cloud\PubSub\V1\PushConfig;
-use Google\Cloud\PubSub\V1\RetryPolicy;
 use Google\Cloud\PubSub\V1\Client\SubscriberClient;
+use Google\Cloud\PubSub\V1\DeadLetterPolicy;
 use Google\Cloud\PubSub\V1\DeleteSubscriptionRequest;
 use Google\Cloud\PubSub\V1\DetachSubscriptionRequest;
+use Google\Cloud\PubSub\V1\ExpirationPolicy;
 use Google\Cloud\PubSub\V1\GetSubscriptionRequest;
 use Google\Cloud\PubSub\V1\ModifyAckDeadlineRequest;
 use Google\Cloud\PubSub\V1\ModifyPushConfigRequest;
 use Google\Cloud\PubSub\V1\PullRequest;
+use Google\Cloud\PubSub\V1\PushConfig;
+use Google\Cloud\PubSub\V1\RetryPolicy;
 use Google\Cloud\PubSub\V1\SeekRequest;
 use Google\Cloud\PubSub\V1\Subscription as SubscriptionProto;
 use Google\Cloud\PubSub\V1\UpdateSubscriptionRequest;
diff --git a/PubSub/src/Topic.php b/PubSub/src/Topic.php
index f15405e7b33b..98a3a1c4d522 100644
--- a/PubSub/src/Topic.php
+++ b/PubSub/src/Topic.php
@@ -17,26 +17,26 @@
 
 namespace Google\Cloud\PubSub;
 
-use Google\Cloud\Core\Exception\NotFoundException;
-use Google\Cloud\Core\Iterator\ItemIterator;
-use Google\Cloud\Core\Iterator\PageIterator;
-use Google\Cloud\PubSub\V1\Encoding;
-use InvalidArgumentException;
 use Google\ApiCore\Serializer;
 use Google\Cloud\Core\ApiHelperTrait;
+use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Iam\IamManager;
-use Google\Cloud\PubSub\V1\Client\PublisherClient;
-use Google\Cloud\PubSub\V1\SchemaSettings;
-use Google\Protobuf\FieldMask;
-use Google\Cloud\PubSub\V1\Topic as TopicProto;
-use Google\Cloud\PubSub\V1\PubsubMessage;
+use Google\Cloud\Core\Iterator\ItemIterator;
+use Google\Cloud\Core\Iterator\PageIterator;
 use Google\Cloud\Core\RequestHandler;
+use Google\Cloud\PubSub\V1\Client\PublisherClient;
 use Google\Cloud\PubSub\V1\DeleteTopicRequest;
+use Google\Cloud\PubSub\V1\Encoding;
 use Google\Cloud\PubSub\V1\GetTopicRequest;
 use Google\Cloud\PubSub\V1\ListTopicSubscriptionsRequest;
 use Google\Cloud\PubSub\V1\MessageStoragePolicy;
 use Google\Cloud\PubSub\V1\PublishRequest;
+use Google\Cloud\PubSub\V1\PubsubMessage;
+use Google\Cloud\PubSub\V1\SchemaSettings;
+use Google\Cloud\PubSub\V1\Topic as TopicProto;
 use Google\Cloud\PubSub\V1\UpdateTopicRequest;
+use Google\Protobuf\FieldMask;
+use InvalidArgumentException;
 
 /**
  * A named resource to which messages are sent by publishers.
diff --git a/Spanner/src/Backup.php b/Spanner/src/Backup.php
index 8f54a6297ba9..8c791bb1a898 100644
--- a/Spanner/src/Backup.php
+++ b/Spanner/src/Backup.php
@@ -17,16 +17,16 @@
 
 namespace Google\Cloud\Spanner;
 
+use DateTimeInterface;
 use Google\ApiCore\ValidationException;
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Exception\NotFoundException;
-use Google\Cloud\Spanner\Admin\Database\V1\Backup\State;
-use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
-use Google\Cloud\Spanner\Connection\ConnectionInterface;
 use Google\Cloud\Core\LongRunning\LongRunningConnectionInterface;
 use Google\Cloud\Core\LongRunning\LongRunningOperation;
 use Google\Cloud\Core\LongRunning\LROTrait;
-use DateTimeInterface;
+use Google\Cloud\Spanner\Admin\Database\V1\Backup\State;
+use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
+use Google\Cloud\Spanner\Connection\ConnectionInterface;
 
 /**
  * Represents a Cloud Spanner Backup.
@@ -394,7 +394,7 @@ private function fullyQualifiedBackupName($name)
                 $instance,
                 $name
             );
-        //@codeCoverageIgnoreStart
+            //@codeCoverageIgnoreStart
         } catch (ValidationException $e) {
             return $name;
         }
diff --git a/Spanner/src/Batch/QueryPartition.php b/Spanner/src/Batch/QueryPartition.php
index a8fa0a3411ca..2b2589cde8ad 100644
--- a/Spanner/src/Batch/QueryPartition.php
+++ b/Spanner/src/Batch/QueryPartition.php
@@ -17,8 +17,6 @@
 
 namespace Google\Cloud\Spanner\Batch;
 
-use Google\Cloud\Spanner\Session\Session;
-
 /**
  * Represents a Query Partition.
  *
diff --git a/Spanner/src/Connection/Grpc.php b/Spanner/src/Connection/Grpc.php
index 9f13c46e54da..bdba4de46881 100644
--- a/Spanner/src/Connection/Grpc.php
+++ b/Spanner/src/Connection/Grpc.php
@@ -25,9 +25,9 @@
 use Google\Cloud\Core\GrpcTrait;
 use Google\Cloud\Core\LongRunning\OperationResponseTrait;
 use Google\Cloud\Spanner\Admin\Database\V1\Backup;
+use Google\Cloud\Spanner\Admin\Database\V1\CopyBackupMetadata;
 use Google\Cloud\Spanner\Admin\Database\V1\CreateBackupEncryptionConfig;
 use Google\Cloud\Spanner\Admin\Database\V1\CreateBackupMetadata;
-use Google\Cloud\Spanner\Admin\Database\V1\CopyBackupMetadata;
 use Google\Cloud\Spanner\Admin\Database\V1\CreateDatabaseMetadata;
 use Google\Cloud\Spanner\Admin\Database\V1\Database;
 use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
@@ -43,10 +43,9 @@
 use Google\Cloud\Spanner\Admin\Instance\V1\InstanceConfig;
 use Google\Cloud\Spanner\Admin\Instance\V1\UpdateInstanceConfigMetadata;
 use Google\Cloud\Spanner\Admin\Instance\V1\UpdateInstanceMetadata;
-use Google\Cloud\Spanner\MutationGroup;
 use Google\Cloud\Spanner\Operation;
-use Google\Cloud\Spanner\SpannerClient as ManualSpannerClient;
 use Google\Cloud\Spanner\RequestHeaderTrait;
+use Google\Cloud\Spanner\SpannerClient as ManualSpannerClient;
 use Google\Cloud\Spanner\V1\BatchWriteRequest\MutationGroup as MutationGroupProto;
 use Google\Cloud\Spanner\V1\CreateSessionRequest;
 use Google\Cloud\Spanner\V1\DeleteSessionRequest;
@@ -68,14 +67,13 @@
 use Google\Cloud\Spanner\V1\TransactionOptions\ReadWrite;
 use Google\Cloud\Spanner\V1\TransactionSelector;
 use Google\Cloud\Spanner\V1\Type;
-use Google\Protobuf;
 use Google\Protobuf\FieldMask;
 use Google\Protobuf\GPBEmpty;
 use Google\Protobuf\Internal\RepeatedField;
 use Google\Protobuf\ListValue;
 use Google\Protobuf\Struct;
-use Google\Protobuf\Value;
 use Google\Protobuf\Timestamp;
+use Google\Protobuf\Value;
 use GuzzleHttp\Promise\PromiseInterface;
 
 /**
@@ -588,7 +586,7 @@ public function restoreDatabase(array $args)
         $instanceName = $this->pluck('instance', $args);
         if (isset($args['encryptionConfig'])) {
             $args['encryptionConfig'] = $this->serializer->decodeMessage(
-                new RestoreDatabaseEncryptionConfig,
+                new RestoreDatabaseEncryptionConfig(),
                 $this->pluck('encryptionConfig', $args)
             );
         }
@@ -634,7 +632,7 @@ public function createBackup(array $args)
         $instanceName = $this->pluck('instance', $args);
         if (isset($args['encryptionConfig'])) {
             $args['encryptionConfig'] = $this->serializer->decodeMessage(
-                new CreateBackupEncryptionConfig,
+                new CreateBackupEncryptionConfig(),
                 $this->pluck('encryptionConfig', $args)
             );
         }
@@ -713,7 +711,7 @@ public function createDatabase(array $args)
         $instanceName = $this->pluck('instance', $args);
         if (isset($args['encryptionConfig'])) {
             $args['encryptionConfig'] = $this->serializer->decodeMessage(
-                new EncryptionConfig,
+                new EncryptionConfig(),
                 $this->pluck('encryptionConfig', $args)
             );
         }
@@ -840,7 +838,7 @@ public function createSession(array $args)
         $session = $this->pluck('session', $args, false);
         if ($session) {
             $args['session'] = $this->serializer->decodeMessage(
-                new Session,
+                new Session(),
                 array_filter(
                     $session,
                     function ($value) {
@@ -901,7 +899,7 @@ public function createSessionAsync(array $args)
     public function batchCreateSessions(array $args)
     {
         $args['sessionTemplate'] = $this->serializer->decodeMessage(
-            new Session,
+            new Session(),
             $this->pluck('sessionTemplate', $args)
         );
 
@@ -994,7 +992,7 @@ public function executeStreamingSql(array $args)
 
         if ($queryOptions) {
             $args['queryOptions'] = $this->serializer->decodeMessage(
-                new QueryOptions,
+                new QueryOptions(),
                 $queryOptions
             );
         }
@@ -1002,7 +1000,7 @@ public function executeStreamingSql(array $args)
         $requestOptions = $this->pluck('requestOptions', $args, false) ?: [];
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1022,12 +1020,12 @@ public function executeStreamingSql(array $args)
     public function streamingRead(array $args)
     {
         $keySet = $this->pluck('keySet', $args);
-        $keySet = $this->serializer->decodeMessage(new KeySet, $this->formatKeySet($keySet));
+        $keySet = $this->serializer->decodeMessage(new KeySet(), $this->formatKeySet($keySet));
 
         $requestOptions = $this->pluck('requestOptions', $args, false) ?: [];
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1057,13 +1055,13 @@ public function executeBatchDml(array $args)
         $statements = [];
         foreach ($this->pluck('statements', $args) as $statement) {
             $statement = $this->formatSqlParams($statement);
-            $statements[] = $this->serializer->decodeMessage(new Statement, $statement);
+            $statements[] = $this->serializer->decodeMessage(new Statement(), $statement);
         }
 
         $requestOptions = $this->pluck('requestOptions', $args, false) ?: [];
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1082,7 +1080,7 @@ public function executeBatchDml(array $args)
      */
     public function beginTransaction(array $args)
     {
-        $options = new TransactionOptions;
+        $options = new TransactionOptions();
         $transactionOptions = $this->formatTransactionOptions($this->pluck('transactionOptions', $args));
         if (isset($transactionOptions['readOnly'])) {
             $readOnlyClass = PHP_VERSION_ID >= 80100
@@ -1113,7 +1111,7 @@ public function beginTransaction(array $args)
         $requestOptions = $this->pluck('requestOptions', $args, false) ?: [];
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1137,11 +1135,11 @@ public function commit(array $args)
 
         if (isset($args['singleUseTransaction'])) {
             $readWrite = $this->serializer->decodeMessage(
-                new ReadWrite,
+                new ReadWrite(),
                 []
             );
 
-            $options = new TransactionOptions;
+            $options = new TransactionOptions();
             $options->setReadWrite($readWrite);
             $args['singleUseTransaction'] = $options;
         }
@@ -1149,7 +1147,7 @@ public function commit(array $args)
         $requestOptions = $this->pluck('requestOptions', $args, false) ?: [];
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1175,17 +1173,17 @@ public function batchWrite(array $args)
 
         array_walk(
             $mutationGroups,
-            fn(&$x) => $x['mutations'] = $this->parseMutations($x['mutations'])
+            fn (&$x) => $x['mutations'] = $this->parseMutations($x['mutations'])
         );
 
         $mutationGroups = array_map(
-            fn($x) => $this->serializer->decodeMessage(new MutationGroupProto(), $x),
+            fn ($x) => $this->serializer->decodeMessage(new MutationGroupProto(), $x),
             $mutationGroups
         );
 
         if ($requestOptions) {
             $args['requestOptions'] = $this->serializer->decodeMessage(
-                new RequestOptions,
+                new RequestOptions(),
                 $requestOptions
             );
         }
@@ -1221,7 +1219,7 @@ public function partitionQuery(array $args)
         $args = $this->addLarHeader($args, $this->larEnabled);
 
         $args['partitionOptions'] = $this->serializer->decodeMessage(
-            new PartitionOptions,
+            new PartitionOptions(),
             $this->pluck('partitionOptions', $args, false) ?: []
         );
 
@@ -1239,13 +1237,13 @@ public function partitionQuery(array $args)
     public function partitionRead(array $args)
     {
         $keySet = $this->pluck('keySet', $args);
-        $keySet = $this->serializer->decodeMessage(new KeySet, $this->formatKeySet($keySet));
+        $keySet = $this->serializer->decodeMessage(new KeySet(), $this->formatKeySet($keySet));
 
         $args['transaction'] = $this->createTransactionSelector($args);
         $args = $this->addLarHeader($args, $this->larEnabled);
 
         $args['partitionOptions'] = $this->serializer->decodeMessage(
-            new PartitionOptions,
+            new PartitionOptions(),
             $this->pluck('partitionOptions', $args, false) ?: []
         );
 
@@ -1327,13 +1325,13 @@ private function formatSqlParams(array $args)
             foreach ($params as $key => $param) {
                 $modifiedParams[$key] = $this->fieldValue($param);
             }
-            $args['params'] = new Struct;
+            $args['params'] = new Struct();
             $args['params']->setFields($modifiedParams);
         }
 
         if (isset($args['paramTypes']) && is_array($args['paramTypes'])) {
             foreach ($args['paramTypes'] as $key => $param) {
-                $args['paramTypes'][$key] = $this->serializer->decodeMessage(new Type, $param);
+                $args['paramTypes'][$key] = $this->serializer->decodeMessage(new Type(), $param);
             }
         }
 
@@ -1378,7 +1376,7 @@ private function formatKeySet(array $keySet)
      */
     private function createTransactionSelector(array &$args)
     {
-        $selector = new TransactionSelector;
+        $selector = new TransactionSelector();
         if (isset($args['transaction'])) {
             $transaction = $this->pluck('transaction', $args);
 
@@ -1499,7 +1497,7 @@ private function fieldMask($instanceArray)
      */
     private function fieldValue($param)
     {
-        $field = new Value;
+        $field = new Value();
         $value = $this->formatValueForApi($param);
 
         $setter = null;
@@ -1522,7 +1520,7 @@ private function fieldValue($param)
                 foreach ($param as $key => $value) {
                     $modifiedParams[$key] = $this->fieldValue($value);
                 }
-                $value = new Struct;
+                $value = new Struct();
                 $value->setFields($modifiedParams);
 
                 break;
@@ -1532,7 +1530,7 @@ private function fieldValue($param)
                 foreach ($param as $item) {
                     $modifiedParams[] = $this->fieldValue($item);
                 }
-                $list = new ListValue;
+                $list = new ListValue();
                 $list->setValues($modifiedParams);
                 $value = $list;
 
@@ -1626,7 +1624,7 @@ private function deserializeMessageArray($message)
         }
 
         $className = $mapper['message'];
-        $response = new $className;
+        $response = new $className();
         $response->mergeFromString($message['value']);
         return $this->serializer->encodeMessage($response);
     }
@@ -1652,7 +1650,7 @@ private function setDirectedReadOptions(array &$args)
         $directedReadOptions = $this->pluck('directedReadOptions', $args, false);
         if (!empty($directedReadOptions)) {
             $args['directedReadOptions'] = $this->serializer->decodeMessage(
-                new DirectedReadOptions,
+                new DirectedReadOptions(),
                 $directedReadOptions
             );
         }
@@ -1743,12 +1741,12 @@ private function parseMutations($rawMutations)
                     }
 
                     $operation = $this->serializer->decodeMessage(
-                        new Delete,
+                        new Delete(),
                         $data
                     );
                     break;
                 default:
-                    $operation = new Write;
+                    $operation = new Write();
                     $operation->setTable($data['table']);
                     $operation->setColumns($data['columns']);
 
@@ -1757,7 +1755,7 @@ private function parseMutations($rawMutations)
                         $modifiedData[$key] = $this->fieldValue($param);
                     }
 
-                    $list = new ListValue;
+                    $list = new ListValue();
                     $list->setValues($modifiedData);
                     $values = [$list];
                     $operation->setValues($values);
@@ -1766,7 +1764,7 @@ private function parseMutations($rawMutations)
             }
 
             $setterName = $this->mutationSetters[$type];
-            $mutation = new Mutation;
+            $mutation = new Mutation();
             $mutation->$setterName($operation);
             $mutations[] = $mutation;
         }
diff --git a/Spanner/src/Database.php b/Spanner/src/Database.php
index d0bff4802ae2..6974f1e099a3 100644
--- a/Spanner/src/Database.php
+++ b/Spanner/src/Database.php
@@ -28,16 +28,14 @@
 use Google\Cloud\Core\LongRunning\LongRunningOperation;
 use Google\Cloud\Core\LongRunning\LROTrait;
 use Google\Cloud\Core\Retry;
-use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
 use Google\Cloud\Spanner\Admin\Database\V1\Database\State;
+use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
 use Google\Cloud\Spanner\Admin\Database\V1\DatabaseDialect;
 use Google\Cloud\Spanner\Admin\Instance\V1\InstanceAdminClient;
 use Google\Cloud\Spanner\Connection\ConnectionInterface;
 use Google\Cloud\Spanner\Connection\IamDatabase;
 use Google\Cloud\Spanner\Session\Session;
 use Google\Cloud\Spanner\Session\SessionPoolInterface;
-use Google\Cloud\Spanner\Transaction;
-use Google\Cloud\Spanner\V1\BatchWriteResponse;
 use Google\Cloud\Spanner\V1\SpannerClient as GapicSpannerClient;
 use Google\Cloud\Spanner\V1\TypeCode;
 use Google\Rpc\Code;
@@ -294,7 +292,7 @@ public function state(array $options = [])
      */
     public function backups(array $options = [])
     {
-        $filter = "database:" . $this->name();
+        $filter = 'database:' . $this->name();
 
         if (isset($options['filter'])) {
             $filter = sprintf('(%1$s) AND (%2$s)', $filter, $this->pluck('filter', $options));
@@ -2111,9 +2109,10 @@ public function __destruct()
     {
         try {
             $this->close();
-        //@codingStandardsIgnoreStart
-        //@codeCoverageIgnoreStart
-        } catch (\Exception $ex) {}
+            //@codingStandardsIgnoreStart
+            //@codeCoverageIgnoreStart
+        } catch (\Exception $ex) {
+        }
         //@codeCoverageIgnoreEnd
         //@codingStandardsIgnoreStart
     }
@@ -2268,7 +2267,7 @@ private function fullyQualifiedDatabaseName($name)
                 $instance,
                 $name
             );
-        //@codeCoverageIgnoreStart
+            //@codeCoverageIgnoreStart
         } catch (ValidationException $e) {
             return $name;
         }
diff --git a/Spanner/src/Instance.php b/Spanner/src/Instance.php
index 2144a6fde12f..005a98cf5fbe 100644
--- a/Spanner/src/Instance.php
+++ b/Spanner/src/Instance.php
@@ -29,7 +29,6 @@
 use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
 use Google\Cloud\Spanner\Admin\Instance\V1\Instance\State;
 use Google\Cloud\Spanner\Admin\Instance\V1\InstanceAdminClient;
-use Google\Cloud\Spanner\Backup;
 use Google\Cloud\Spanner\Connection\ConnectionInterface;
 use Google\Cloud\Spanner\Connection\IamInstance;
 use Google\Cloud\Spanner\Session\SessionPoolInterface;
@@ -318,7 +317,7 @@ public function create(InstanceConfiguration $config, array $options = [])
         ];
 
         if (isset($options['nodeCount']) && isset($options['processingUnits'])) {
-            throw new \InvalidArgumentException("Must only set either `nodeCount` or `processingUnits`");
+            throw new \InvalidArgumentException('Must only set either `nodeCount` or `processingUnits`');
         }
         if (empty($options['nodeCount']) && empty($options['processingUnits'])) {
             $options['nodeCount'] = self::DEFAULT_NODE_COUNT;
@@ -397,7 +396,7 @@ public function state(array $options = [])
     public function update(array $options = [])
     {
         if (isset($options['nodeCount']) && isset($options['processingUnits'])) {
-            throw new \InvalidArgumentException("Must only set either `nodeCount` or `processingUnits`");
+            throw new \InvalidArgumentException('Must only set either `nodeCount` or `processingUnits`');
         }
 
         $operation = $this->connection->updateInstance([
@@ -770,10 +769,10 @@ public function iam()
     private function fullyQualifiedInstanceName($name, $project)
     {
         // try {
-            return InstanceAdminClient::instanceName(
-                $project,
-                $name
-            );
+        return InstanceAdminClient::instanceName(
+            $project,
+            $name
+        );
         // } catch (ValidationException $e) {
         //     return $name;
         // }
diff --git a/Spanner/src/InstanceConfiguration.php b/Spanner/src/InstanceConfiguration.php
index 65e81517ffdd..da6d6fbb4f22 100644
--- a/Spanner/src/InstanceConfiguration.php
+++ b/Spanner/src/InstanceConfiguration.php
@@ -17,6 +17,7 @@
 
 namespace Google\Cloud\Spanner;
 
+use Google\ApiCore\ValidationException;
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\LongRunning\LongRunningConnectionInterface;
@@ -29,7 +30,6 @@
 use Google\Cloud\Spanner\Admin\Instance\V1\ReplicaInfo;
 use Google\Cloud\Spanner\Connection\ConnectionInterface;
 use Google\Cloud\Spanner\Connection\LongRunningConnection;
-use Google\ApiCore\ValidationException;
 
 /**
  * Represents a Cloud Spanner Instance Configuration.
diff --git a/Spanner/src/KeySet.php b/Spanner/src/KeySet.php
index ca11bceee36d..f1573f7971a0 100644
--- a/Spanner/src/KeySet.php
+++ b/Spanner/src/KeySet.php
@@ -102,7 +102,6 @@ public function ranges()
         return $this->ranges;
     }
 
-
     /**
      * Add a single KeyRange.
      *
diff --git a/Spanner/src/MutationTrait.php b/Spanner/src/MutationTrait.php
index 51ca50c20789..0fd3b5b12728 100644
--- a/Spanner/src/MutationTrait.php
+++ b/Spanner/src/MutationTrait.php
@@ -18,7 +18,6 @@
 namespace Google\Cloud\Spanner;
 
 use Google\Cloud\Core\ArrayTrait;
-use Google\ApiCore\ValidationException;
 
 /**
  * Common helper methods used for creating array representation of
diff --git a/Spanner/src/Session/CacheSessionPool.php b/Spanner/src/Session/CacheSessionPool.php
index ec4a04c8e210..aeec330635e8 100644
--- a/Spanner/src/Session/CacheSessionPool.php
+++ b/Spanner/src/Session/CacheSessionPool.php
@@ -127,7 +127,7 @@ class CacheSessionPool implements SessionPoolInterface
     use SysvTrait;
 
     const CACHE_KEY_TEMPLATE = 'cache-session-pool.%s.%s.%s';
-    const DURATION_SESSION_LIFETIME = 28*24*3600; // 28 days
+    const DURATION_SESSION_LIFETIME = 28 * 24 * 3600; // 28 days
     const DURATION_TWENTY_MINUTES = 1200;
     const DURATION_ONE_MINUTE = 60;
     const WINDOW_SIZE = 600;
@@ -471,7 +471,7 @@ public function warmup()
         }
 
         $exception = null;
-        list ($createdSessions, $exception) = $this->createSessions(count($toCreate));
+        list($createdSessions, $exception) = $this->createSessions(count($toCreate));
 
         $this->config['lock']->synchronize(function () use ($toCreate, $createdSessions) {
             $item = $this->cacheItemPool->getItem($this->cacheKey);
@@ -1035,7 +1035,7 @@ public function maintain()
                 $maintainInterval = $now - $prevMaintainTime;
                 $maxLifetime = self::SESSION_EXPIRATION_SECONDS - 600;
                 $totalSessionsCount = min($totalSessionsCount, $maintainedSessionsCount);
-                $meanRefreshCount = (int)($totalSessionsCount * $maintainInterval / $maxLifetime);
+                $meanRefreshCount = (int) ($totalSessionsCount * $maintainInterval / $maxLifetime);
                 $meanRefreshCount = min($meanRefreshCount, $maintainedSessionsCount);
                 // There may be sessions already refreshed since previous maintenance,
                 // so we can save some refresh requests.
diff --git a/Spanner/src/Snapshot.php b/Spanner/src/Snapshot.php
index a6d6081104f7..759bc3715f8d 100644
--- a/Spanner/src/Snapshot.php
+++ b/Spanner/src/Snapshot.php
@@ -18,7 +18,6 @@
 namespace Google\Cloud\Spanner;
 
 use Google\Cloud\Spanner\Session\Session;
-use Google\Cloud\Spanner\Session\SessionPoolInterface;
 
 /**
  * Read-only snapshot Transaction.
@@ -60,7 +59,7 @@ public function __construct(Operation $operation, Session $session, array $optio
     {
         if (isset($options['tag'])) {
             throw new \InvalidArgumentException(
-                "Cannot set a transaction tag on a read-only transaction."
+                'Cannot set a transaction tag on a read-only transaction.'
             );
         }
         $this->initialize($operation, $session, $options);
diff --git a/Spanner/src/SnapshotTrait.php b/Spanner/src/SnapshotTrait.php
index b01850b6f277..760c978fa79d 100644
--- a/Spanner/src/SnapshotTrait.php
+++ b/Spanner/src/SnapshotTrait.php
@@ -19,7 +19,6 @@
 
 use Google\Cloud\Spanner\Session\Session;
 use Google\Cloud\Spanner\Session\SessionPoolInterface;
-use Google\Cloud\Spanner\Timestamp;
 
 /**
  * Common methods for Read-Only transactions (i.e. Snapshots)
diff --git a/Spanner/src/SpannerClient.php b/Spanner/src/SpannerClient.php
index fc67da9e5abf..6d54e44656fe 100644
--- a/Spanner/src/SpannerClient.php
+++ b/Spanner/src/SpannerClient.php
@@ -17,6 +17,7 @@
 
 namespace Google\Cloud\Spanner;
 
+use Google\ApiCore\ValidationException;
 use Google\Auth\FetchAuthTokenInterface;
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\ClientTrait;
@@ -29,18 +30,14 @@
 use Google\Cloud\Core\ValidateTrait;
 use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
 use Google\Cloud\Spanner\Admin\Instance\V1\InstanceAdminClient;
+use Google\Cloud\Spanner\Admin\Instance\V1\ReplicaInfo;
 use Google\Cloud\Spanner\Batch\BatchClient;
 use Google\Cloud\Spanner\Connection\Grpc;
 use Google\Cloud\Spanner\Connection\LongRunningConnection;
 use Google\Cloud\Spanner\Session\SessionPoolInterface;
-use Google\Cloud\Spanner\Numeric;
-use Google\Cloud\Spanner\Timestamp;
-use Google\Cloud\Spanner\Admin\Instance\V1\InstanceConfig;
-use Google\Cloud\Spanner\Admin\Instance\V1\ReplicaInfo;
 use Google\Cloud\Spanner\V1\SpannerClient as GapicSpannerClient;
 use Psr\Cache\CacheItemPoolInterface;
 use Psr\Http\StreamInterface;
-use Google\ApiCore\ValidationException;
 
 /**
  * Cloud Spanner is a highly scalable, transactional, managed, NewSQL
@@ -261,7 +258,7 @@ public function __construct(array $config = [])
                     $instance = $this->instance($instanceName);
                     return $instance->database($databaseName);
                 }
-            ],[
+            ], [
                 'typeUrl' => 'type.googleapis.com/google.spanner.admin.instance.v1.CreateInstanceMetadata',
                 'callable' => function ($instance) {
                     $name = InstanceAdminClient::parseName($instance['name'])['instance'];
@@ -889,6 +886,6 @@ public function duration($seconds, $nanos = 0)
      */
     public function commitTimestamp()
     {
-        return new CommitTimestamp;
+        return new CommitTimestamp();
     }
 }
diff --git a/Spanner/src/Transaction.php b/Spanner/src/Transaction.php
index 0db1e79cef97..3d740cac45f3 100644
--- a/Spanner/src/Transaction.php
+++ b/Spanner/src/Transaction.php
@@ -122,7 +122,7 @@ public function __construct(
 
         if ($this->type == self::TYPE_SINGLE_USE && isset($tag)) {
             throw new \InvalidArgumentException(
-                "Cannot set a transaction tag on a single-use transaction."
+                'Cannot set a transaction tag on a single-use transaction.'
             );
         }
         $this->tag = $tag;
diff --git a/Spanner/src/TransactionConfigurationTrait.php b/Spanner/src/TransactionConfigurationTrait.php
index 642279a39b2d..31dfa76809c7 100644
--- a/Spanner/src/TransactionConfigurationTrait.php
+++ b/Spanner/src/TransactionConfigurationTrait.php
@@ -81,7 +81,7 @@ private function configureDirectedReadOptions(array $requestOptions, array $clie
         if (isset($requestOptions['transaction']['singleUse']) || (
             isset($requestOptions['transactionContext']) &&
             $requestOptions['transactionContext'] == SessionPoolInterface::CONTEXT_READ
-            ) || isset($requestOptions['transactionOptions']['readOnly'])
+        ) || isset($requestOptions['transactionOptions']['readOnly'])
         ) {
             if (isset($clientOptions['includeReplicas'])) {
                 return ['includeReplicas' => $clientOptions['includeReplicas']];
diff --git a/Spanner/src/ValueMapper.php b/Spanner/src/ValueMapper.php
index 57771a434d6e..542457872875 100644
--- a/Spanner/src/ValueMapper.php
+++ b/Spanner/src/ValueMapper.php
@@ -20,8 +20,8 @@
 use Google\Cloud\Core\ArrayTrait;
 use Google\Cloud\Core\Int64;
 use Google\Cloud\Core\TimeTrait;
-use Google\Cloud\Spanner\V1\TypeCode;
 use Google\Cloud\Spanner\V1\TypeAnnotationCode;
+use Google\Cloud\Spanner\V1\TypeCode;
 
 /**
  * Manage value mappings between Google Cloud PHP and Cloud Spanner
@@ -150,11 +150,11 @@ public function formatParamsForExecuteSql(array $parameters, array $types = [])
 
             $definition = null;
             if ($type) {
-                list ($type, $definition) = $this->resolveTypeDefinition($type, $key);
+                list($type, $definition) = $this->resolveTypeDefinition($type, $key);
             }
 
             $paramDefinition = $this->paramType($value, $type, $definition);
-            list ($parameters[$key], $paramTypes[$key]) = $paramDefinition;
+            list($parameters[$key], $paramTypes[$key]) = $paramDefinition;
         }
 
         return [
@@ -446,14 +446,14 @@ private function paramType(
                 break;
 
             case 'object':
-                list ($type, $value) = $this->objectParam($value);
+                list($type, $value) = $this->objectParam($value);
                 break;
 
             case 'array':
                 if ($givenType === Database::TYPE_STRUCT) {
                     if (!($definition instanceof StructType)) {
                         throw new \InvalidArgumentException(
-                            'Struct parameter types must be declared explicitly, and must '.
+                            'Struct parameter types must be declared explicitly, and must ' .
                             'be an instance of Google\Cloud\Spanner\StructType.'
                         );
                     }
@@ -462,7 +462,7 @@ private function paramType(
                         $value = (array) $value;
                     }
 
-                    list ($value, $type) = $this->structParam($value, $definition);
+                    list($value, $type) = $this->structParam($value, $definition);
                 } else {
                     if (!($definition instanceof ArrayType)) {
                         throw new \InvalidArgumentException(
@@ -470,7 +470,7 @@ private function paramType(
                         );
                     }
 
-                    list ($value, $type) = $this->arrayParam($value, $definition, $allowMixedArrayType);
+                    list($value, $type) = $this->arrayParam($value, $definition, $allowMixedArrayType);
                 }
 
                 break;
@@ -691,7 +691,6 @@ private function arrayParam($value, ArrayType $arrayObj, $allowMixedArrayType =
             throw new \InvalidArgumentException('Array values may not be of mixed type');
         }
 
-
         // get typeCode either from the array type or the first element's inferred type
         $typeCode = self::isCustomType($arrayObj->type())
             ? self::getTypeCodeFromString($arrayObj->type())
diff --git a/Storage/src/Bucket.php b/Storage/src/Bucket.php
index 946245c7f4e1..450c2aa47c3c 100644
--- a/Storage/src/Bucket.php
+++ b/Storage/src/Bucket.php
@@ -30,7 +30,6 @@
 use Google\Cloud\PubSub\Topic;
 use Google\Cloud\Storage\Connection\ConnectionInterface;
 use Google\Cloud\Storage\Connection\IamBucket;
-use Google\Cloud\Storage\SigningHelper;
 use GuzzleHttp\Promise\PromiseInterface;
 use GuzzleHttp\Psr7\MimeType;
 use GuzzleHttp\Psr7\Utils;
diff --git a/Storage/src/Connection/Rest.php b/Storage/src/Connection/Rest.php
index 3e9ba793b3b6..2f89fe309a2c 100644
--- a/Storage/src/Connection/Rest.php
+++ b/Storage/src/Connection/Rest.php
@@ -22,13 +22,11 @@
 use Google\Cloud\Core\RequestWrapper;
 use Google\Cloud\Core\RestTrait;
 use Google\Cloud\Core\Retry;
-use Google\Cloud\Storage\Connection\RetryTrait;
 use Google\Cloud\Core\Upload\AbstractUploader;
 use Google\Cloud\Core\Upload\MultipartUploader;
 use Google\Cloud\Core\Upload\ResumableUploader;
 use Google\Cloud\Core\Upload\StreamableUploader;
 use Google\Cloud\Core\UriTrait;
-use Google\Cloud\Storage\Connection\ConnectionInterface;
 use Google\Cloud\Storage\StorageClient;
 use GuzzleHttp\Exception\RequestException;
 use GuzzleHttp\Psr7\MimeType;
diff --git a/Storage/src/EncryptionTrait.php b/Storage/src/EncryptionTrait.php
index 43d66eb802a1..d57c371cbb95 100644
--- a/Storage/src/EncryptionTrait.php
+++ b/Storage/src/EncryptionTrait.php
@@ -133,7 +133,7 @@ protected function signString($privateKey, $data, $forceOpenssl = false)
 
             $signature = $rsa->sign($data);
         } elseif (class_exists(RSA2::class) && !$forceOpenssl) {
-            $rsa = new RSA2;
+            $rsa = new RSA2();
             $rsa->loadKey($privateKey);
             $rsa->setSignatureMode(RSA2::SIGNATURE_PKCS1);
             $rsa->setHash('sha256');
diff --git a/Storage/src/ReadStream.php b/Storage/src/ReadStream.php
index cfae74d8ed34..eddbacf89b00 100644
--- a/Storage/src/ReadStream.php
+++ b/Storage/src/ReadStream.php
@@ -61,7 +61,7 @@ public function getSize(): ?int
     private function getSizeFromMetadata(): int
     {
         foreach ($this->stream->getMetadata('wrapper_data') as $value) {
-            if (substr($value, 0, 15) == "Content-Length:") {
+            if (substr($value, 0, 15) == 'Content-Length:') {
                 return (int) substr($value, 16);
             }
         }
diff --git a/Storage/src/SigningHelper.php b/Storage/src/SigningHelper.php
index 46cea73ec4c4..41acfbaf9ba1 100644
--- a/Storage/src/SigningHelper.php
+++ b/Storage/src/SigningHelper.php
@@ -20,10 +20,10 @@
 use Google\Auth\CredentialsLoader;
 use Google\Auth\SignBlobInterface;
 use Google\Cloud\Core\ArrayTrait;
+use Google\Cloud\Core\Exception\ServiceException;
 use Google\Cloud\Core\JsonTrait;
 use Google\Cloud\Core\Timestamp;
 use Google\Cloud\Storage\Connection\ConnectionInterface;
-use Google\Cloud\Core\Exception\ServiceException;
 use Google\Cloud\Storage\Connection\RetryTrait;
 
 /**
@@ -54,7 +54,7 @@ public static function getHelper()
     {
         static $helper;
         if (!$helper) {
-            $helper = new static;
+            $helper = new static();
         }
 
         return $helper;
@@ -343,7 +343,7 @@ public function v4Sign(ConnectionInterface $connection, $expires, $resource, $ge
         ]);
 
         $signature = bin2hex(base64_decode($this->retrySignBlob(
-            fn() => $credentials->signBlob($stringToSign, [
+            fn () => $credentials->signBlob($stringToSign, [
                 'forceOpenssl' => $options['forceOpenssl']
             ])
         )));
diff --git a/Storage/src/StreamWrapper.php b/Storage/src/StreamWrapper.php
index 93d2eab0aace..630ae47c5044 100644
--- a/Storage/src/StreamWrapper.php
+++ b/Storage/src/StreamWrapper.php
@@ -19,7 +19,6 @@
 
 use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\Exception\ServiceException;
-use Google\Cloud\Storage\Bucket;
 use GuzzleHttp\Psr7\CachingStream;
 
 /**
@@ -232,7 +231,7 @@ public function stream_open($path, $mode, $flags, &$openedPath)
             }
 
             if (isset($options['flush'])) {
-                $this->flushing = (bool)$options['flush'];
+                $this->flushing = (bool) $options['flush'];
                 unset($options['flush']);
             }
 
@@ -312,7 +311,7 @@ public function stream_read($count)
     public function stream_write($data)
     {
         $result = $this->stream->write($data);
-        $this->dirty = $this->dirty || (bool)$result;
+        $this->dirty = $this->dirty || (bool) $result;
         return $result;
     }
 
@@ -458,7 +457,7 @@ public function dir_rewinddir()
                     // since the service call returns nested results and we only
                     // want to yield results directly within the requested directory,
                     // check if we've already yielded this value.
-                    if ($parts[0] === "" || in_array($parts[0], $yielded)) {
+                    if ($parts[0] === '' || in_array($parts[0], $yielded)) {
                         continue;
                     }
 
@@ -751,11 +750,11 @@ private function urlStatFile()
         }
 
         // equivalent to 100666 and 100444 in octal
-        $stats = array(
+        $stats = [
             'mode' => $this->bucket->isWritable()
                 ? self::FILE_WRITABLE_MODE
                 : self::FILE_READABLE_MODE
-        );
+        ];
         $this->statsFromFileInfo($info, $stats);
         return $this->makeStatArray($stats);
     }
diff --git a/Storage/src/WriteStream.php b/Storage/src/WriteStream.php
index 3cb816b2690f..28e63ba58a89 100644
--- a/Storage/src/WriteStream.php
+++ b/Storage/src/WriteStream.php
@@ -18,8 +18,8 @@
 namespace Google\Cloud\Storage;
 
 use Google\Cloud\Core\Upload\AbstractUploader;
-use GuzzleHttp\Psr7\StreamDecoratorTrait;
 use GuzzleHttp\Psr7\BufferStream;
+use GuzzleHttp\Psr7\StreamDecoratorTrait;
 use Psr\Http\Message\StreamInterface;
 
 /**
@@ -78,7 +78,7 @@ public function close(): void
     public function write($data): int
     {
         if (!isset($this->uploader)) {
-            throw new \RuntimeException("No uploader set.");
+            throw new \RuntimeException('No uploader set.');
         }
 
         // Ensure we have a resume uri here because we need to create the streaming
diff --git a/Trace/src/Connection/Grpc.php b/Trace/src/Connection/Grpc.php
index 9fa0c013db9c..48136b3a50e3 100644
--- a/Trace/src/Connection/Grpc.php
+++ b/Trace/src/Connection/Grpc.php
@@ -21,8 +21,8 @@
 use Google\Cloud\Core\GrpcRequestWrapper;
 use Google\Cloud\Core\GrpcTrait;
 use Google\Cloud\Trace\TraceClient;
-use Google\Cloud\Trace\V2\TraceServiceClient;
 use Google\Cloud\Trace\V2\Span;
+use Google\Cloud\Trace\V2\TraceServiceClient;
 
 /**
  * Implementation of the
diff --git a/Trace/src/TimestampTrait.php b/Trace/src/TimestampTrait.php
index 618625d319f2..39b498736f26 100644
--- a/Trace/src/TimestampTrait.php
+++ b/Trace/src/TimestampTrait.php
@@ -36,12 +36,12 @@ private function formatDate($when = null)
             return $when;
         } elseif (!$when) {
             list($usec, $sec) = explode(' ', microtime());
-            $micro = sprintf("%06d", $usec * 1000000);
+            $micro = sprintf('%06d', $usec * 1000000);
             $when = new \DateTime(date('Y-m-d H:i:s.' . $micro));
         } elseif (is_numeric($when)) {
             // Expect that this is a timestamp
-            $micro = sprintf("%06d", ($when - floor($when)) * 1000000);
-            $when = new \DateTime(date('Y-m-d H:i:s.'. $micro, (int) $when));
+            $micro = sprintf('%06d', ($when - floor($when)) * 1000000);
+            $when = new \DateTime(date('Y-m-d H:i:s.' . $micro, (int) $when));
         }
         $when->setTimezone(new \DateTimeZone('UTC'));
         return $when->format('Y-m-d\TH:i:s.u000\Z');
diff --git a/Trace/src/Trace.php b/Trace/src/Trace.php
index d34db42cc3db..8f09abbf1444 100644
--- a/Trace/src/Trace.php
+++ b/Trace/src/Trace.php
@@ -17,7 +17,6 @@
 
 namespace Google\Cloud\Trace;
 
-use Google\Cloud\Core\Exception\NotFoundException;
 use Google\Cloud\Core\ValidateTrait;
 use Ramsey\Uuid\Uuid;