diff --git a/packages/google-cloud-bigquery-migration/.coveragerc b/packages/google-cloud-bigquery-migration/.coveragerc
index 0654319ea3a2..0c2439ce0fbf 100644
--- a/packages/google-cloud-bigquery-migration/.coveragerc
+++ b/packages/google-cloud-bigquery-migration/.coveragerc
@@ -4,7 +4,7 @@ branch = True
 [report]
 show_missing = True
 omit =
-    google/cloud/bigquery/migration/__init__.py
+    google/cloud/bigquery_migration/__init__.py
 exclude_lines =
     # Re-enable the standard pragma
     pragma: NO COVER
diff --git a/packages/google-cloud-bigquery-migration/docs/migration_v2alpha/migration_service.rst b/packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/migration_service.rst
similarity index 57%
rename from packages/google-cloud-bigquery-migration/docs/migration_v2alpha/migration_service.rst
rename to packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/migration_service.rst
index bf74826580a7..e676817164a0 100644
--- a/packages/google-cloud-bigquery-migration/docs/migration_v2alpha/migration_service.rst
+++ b/packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/migration_service.rst
@@ -1,10 +1,10 @@
 MigrationService
 ----------------------------------
 
-.. automodule:: google.cloud.bigquery.migration_v2alpha.services.migration_service
+.. automodule:: google.cloud.bigquery_migration_v2alpha.services.migration_service
     :members:
     :inherited-members:
 
-.. automodule:: google.cloud.bigquery.migration_v2alpha.services.migration_service.pagers
+.. automodule:: google.cloud.bigquery_migration_v2alpha.services.migration_service.pagers
     :members:
     :inherited-members:
diff --git a/packages/google-cloud-bigquery-migration/docs/migration_v2alpha/services.rst b/packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/services.rst
similarity index 100%
rename from packages/google-cloud-bigquery-migration/docs/migration_v2alpha/services.rst
rename to packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/services.rst
diff --git a/packages/google-cloud-bigquery-migration/docs/migration_v2alpha/types.rst b/packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/types.rst
similarity index 72%
rename from packages/google-cloud-bigquery-migration/docs/migration_v2alpha/types.rst
rename to packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/types.rst
index cf262b71bb08..3024de857553 100644
--- a/packages/google-cloud-bigquery-migration/docs/migration_v2alpha/types.rst
+++ b/packages/google-cloud-bigquery-migration/docs/bigquery_migration_v2alpha/types.rst
@@ -1,7 +1,7 @@
 Types for Google Cloud Bigquery Migration v2alpha API
 =====================================================
 
-.. automodule:: google.cloud.bigquery.migration_v2alpha.types
+.. automodule:: google.cloud.bigquery_migration_v2alpha.types
     :members:
     :undoc-members:
     :show-inheritance:
diff --git a/packages/google-cloud-bigquery-migration/docs/index.rst b/packages/google-cloud-bigquery-migration/docs/index.rst
index 2f7845367b0a..cadfd1bc1b49 100644
--- a/packages/google-cloud-bigquery-migration/docs/index.rst
+++ b/packages/google-cloud-bigquery-migration/docs/index.rst
@@ -7,8 +7,8 @@ API Reference
 .. toctree::
     :maxdepth: 2
 
-    migration_v2alpha/services
-    migration_v2alpha/types
+    bigquery_migration_v2alpha/services
+    bigquery_migration_v2alpha/types
 
 Changelog
 ---------
@@ -18,4 +18,4 @@ For a list of all ``google-cloud-bigquery-migration`` releases:
 .. toctree::
    :maxdepth: 2
 
-   changelog
\ No newline at end of file
+   changelog
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration/__init__.py
similarity index 61%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration/__init__.py
index eefbf2845ac3..80e5483c3ce0 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration/__init__.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration/__init__.py
@@ -14,60 +14,60 @@
 # limitations under the License.
 #
 
-from google.cloud.bigquery.migration_v2alpha.services.migration_service.client import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service.client import (
     MigrationServiceClient,
 )
-from google.cloud.bigquery.migration_v2alpha.services.migration_service.async_client import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service.async_client import (
     MigrationServiceAsyncClient,
 )
 
-from google.cloud.bigquery.migration_v2alpha.types.migration_entities import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_entities import (
     MigrationSubtask,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_entities import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_entities import (
     MigrationTask,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_entities import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_entities import (
     MigrationWorkflow,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_error_details import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_error_details import (
     ErrorDetail,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_error_details import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_error_details import (
     ErrorLocation,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_error_details import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_error_details import (
     ResourceErrorDetail,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_metrics import Point
-from google.cloud.bigquery.migration_v2alpha.types.migration_metrics import TimeInterval
-from google.cloud.bigquery.migration_v2alpha.types.migration_metrics import TimeSeries
-from google.cloud.bigquery.migration_v2alpha.types.migration_metrics import TypedValue
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_metrics import Point
+from google.cloud.bigquery_migration_v2alpha.types.migration_metrics import TimeInterval
+from google.cloud.bigquery_migration_v2alpha.types.migration_metrics import TimeSeries
+from google.cloud.bigquery_migration_v2alpha.types.migration_metrics import TypedValue
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     CreateMigrationWorkflowRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     DeleteMigrationWorkflowRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     GetMigrationSubtaskRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     GetMigrationWorkflowRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     ListMigrationSubtasksRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     ListMigrationSubtasksResponse,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     ListMigrationWorkflowsRequest,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     ListMigrationWorkflowsResponse,
 )
-from google.cloud.bigquery.migration_v2alpha.types.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.types.migration_service import (
     StartMigrationWorkflowRequest,
 )
 
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration/py.typed b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration/py.typed
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration/py.typed
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration/py.typed
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/gapic_metadata.json b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/gapic_metadata.json
similarity index 97%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/gapic_metadata.json
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/gapic_metadata.json
index 515d090a4548..2cdac01c5f79 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/gapic_metadata.json
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/gapic_metadata.json
@@ -1,7 +1,7 @@
  {
   "comment": "This file maps proto services/RPCs to the corresponding library clients/methods",
   "language": "python",
-  "libraryPackage": "google.cloud.bigquery.migration_v2alpha",
+  "libraryPackage": "google.cloud.bigquery_migration_v2alpha",
   "protoPackage": "google.cloud.bigquery.migration.v2alpha",
   "schema": "1.0",
   "services": {
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/py.typed b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/py.typed
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/py.typed
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/py.typed
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/async_client.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/async_client.py
similarity index 96%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/async_client.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/async_client.py
index 4f1fe7b28442..93200fac0424 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/async_client.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/async_client.py
@@ -26,11 +26,11 @@
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import pagers
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_error_details
-from google.cloud.bigquery.migration_v2alpha.types import migration_metrics
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import pagers
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_error_details
+from google.cloud.bigquery_migration_v2alpha.types import migration_metrics
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import error_details_pb2  # type: ignore
 from .transports.base import MigrationServiceTransport, DEFAULT_CLIENT_INFO
@@ -187,7 +187,7 @@ async def create_migration_workflow(
         r"""Creates a migration workflow.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.CreateMigrationWorkflowRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.CreateMigrationWorkflowRequest`):
                 The request object. Request to create a migration
                 workflow resource.
             parent (:class:`str`):
@@ -198,7 +198,7 @@ async def create_migration_workflow(
                 This corresponds to the ``parent`` field
                 on the ``request`` instance; if ``request`` is provided, this
                 should not be set.
-            migration_workflow (:class:`google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow`):
+            migration_workflow (:class:`google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow`):
                 Required. The migration workflow to
                 create.
 
@@ -212,7 +212,7 @@ async def create_migration_workflow(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow:
                 A migration workflow which specifies
                 what needs to be done for an EDW
                 migration.
@@ -269,7 +269,7 @@ async def get_migration_workflow(
         r"""Gets a previously created migration workflow.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.GetMigrationWorkflowRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.GetMigrationWorkflowRequest`):
                 The request object. A request to get a previously
                 created migration workflow.
             name (:class:`str`):
@@ -287,7 +287,7 @@ async def get_migration_workflow(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow:
                 A migration workflow which specifies
                 what needs to be done for an EDW
                 migration.
@@ -351,7 +351,7 @@ async def list_migration_workflows(
         r"""Lists previously created migration workflow.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsRequest`):
                 The request object. A request to list previously created
                 migration workflows.
             parent (:class:`str`):
@@ -369,7 +369,7 @@ async def list_migration_workflows(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.services.migration_service.pagers.ListMigrationWorkflowsAsyncPager:
+            google.cloud.bigquery_migration_v2alpha.services.migration_service.pagers.ListMigrationWorkflowsAsyncPager:
                 Response object for a ListMigrationWorkflows call.
 
                 Iterating over this object will yield results and
@@ -440,7 +440,7 @@ async def delete_migration_workflow(
         r"""Deletes a migration workflow by name.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.DeleteMigrationWorkflowRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.DeleteMigrationWorkflowRequest`):
                 The request object. A request to delete a previously
                 created migration workflow.
             name (:class:`str`):
@@ -509,7 +509,7 @@ async def start_migration_workflow(
         RUNNING.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.StartMigrationWorkflowRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.StartMigrationWorkflowRequest`):
                 The request object. A request to start a previously
                 created migration workflow.
             name (:class:`str`):
@@ -583,7 +583,7 @@ async def get_migration_subtask(
         r"""Gets a previously created migration subtask.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.GetMigrationSubtaskRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.GetMigrationSubtaskRequest`):
                 The request object. A request to get a previously
                 created migration subtasks.
             name (:class:`str`):
@@ -601,7 +601,7 @@ async def get_migration_subtask(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationSubtask:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationSubtask:
                 A subtask for a migration which
                 carries details about the configuration
                 of the subtask. The content of the
@@ -668,7 +668,7 @@ async def list_migration_subtasks(
         r"""Lists previously created migration subtasks.
 
         Args:
-            request (:class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksRequest`):
+            request (:class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksRequest`):
                 The request object. A request to list previously created
                 migration subtasks.
             parent (:class:`str`):
@@ -685,7 +685,7 @@ async def list_migration_subtasks(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.services.migration_service.pagers.ListMigrationSubtasksAsyncPager:
+            google.cloud.bigquery_migration_v2alpha.services.migration_service.pagers.ListMigrationSubtasksAsyncPager:
                 Response object for a ListMigrationSubtasks call.
 
                 Iterating over this object will yield results and
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/client.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/client.py
similarity index 97%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/client.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/client.py
index bd57bfb28263..0a70fb7a90dd 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/client.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/client.py
@@ -30,11 +30,11 @@
 from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import pagers
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_error_details
-from google.cloud.bigquery.migration_v2alpha.types import migration_metrics
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import pagers
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_error_details
+from google.cloud.bigquery_migration_v2alpha.types import migration_metrics
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import error_details_pb2  # type: ignore
 from .transports.base import MigrationServiceTransport, DEFAULT_CLIENT_INFO
@@ -386,7 +386,7 @@ def create_migration_workflow(
         r"""Creates a migration workflow.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.CreateMigrationWorkflowRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.CreateMigrationWorkflowRequest, dict]):
                 The request object. Request to create a migration
                 workflow resource.
             parent (str):
@@ -397,7 +397,7 @@ def create_migration_workflow(
                 This corresponds to the ``parent`` field
                 on the ``request`` instance; if ``request`` is provided, this
                 should not be set.
-            migration_workflow (google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow):
+            migration_workflow (google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow):
                 Required. The migration workflow to
                 create.
 
@@ -411,7 +411,7 @@ def create_migration_workflow(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow:
                 A migration workflow which specifies
                 what needs to be done for an EDW
                 migration.
@@ -470,7 +470,7 @@ def get_migration_workflow(
         r"""Gets a previously created migration workflow.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.GetMigrationWorkflowRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.GetMigrationWorkflowRequest, dict]):
                 The request object. A request to get a previously
                 created migration workflow.
             name (str):
@@ -488,7 +488,7 @@ def get_migration_workflow(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow:
                 A migration workflow which specifies
                 what needs to be done for an EDW
                 migration.
@@ -543,7 +543,7 @@ def list_migration_workflows(
         r"""Lists previously created migration workflow.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsRequest, dict]):
                 The request object. A request to list previously created
                 migration workflows.
             parent (str):
@@ -561,7 +561,7 @@ def list_migration_workflows(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.services.migration_service.pagers.ListMigrationWorkflowsPager:
+            google.cloud.bigquery_migration_v2alpha.services.migration_service.pagers.ListMigrationWorkflowsPager:
                 Response object for a ListMigrationWorkflows call.
 
                 Iterating over this object will yield results and
@@ -623,7 +623,7 @@ def delete_migration_workflow(
         r"""Deletes a migration workflow by name.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.DeleteMigrationWorkflowRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.DeleteMigrationWorkflowRequest, dict]):
                 The request object. A request to delete a previously
                 created migration workflow.
             name (str):
@@ -694,7 +694,7 @@ def start_migration_workflow(
         RUNNING.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.StartMigrationWorkflowRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.StartMigrationWorkflowRequest, dict]):
                 The request object. A request to start a previously
                 created migration workflow.
             name (str):
@@ -759,7 +759,7 @@ def get_migration_subtask(
         r"""Gets a previously created migration subtask.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.GetMigrationSubtaskRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.GetMigrationSubtaskRequest, dict]):
                 The request object. A request to get a previously
                 created migration subtasks.
             name (str):
@@ -777,7 +777,7 @@ def get_migration_subtask(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.types.MigrationSubtask:
+            google.cloud.bigquery_migration_v2alpha.types.MigrationSubtask:
                 A subtask for a migration which
                 carries details about the configuration
                 of the subtask. The content of the
@@ -835,7 +835,7 @@ def list_migration_subtasks(
         r"""Lists previously created migration subtasks.
 
         Args:
-            request (Union[google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksRequest, dict]):
+            request (Union[google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksRequest, dict]):
                 The request object. A request to list previously created
                 migration subtasks.
             parent (str):
@@ -852,7 +852,7 @@ def list_migration_subtasks(
                 sent along with the request as metadata.
 
         Returns:
-            google.cloud.bigquery.migration_v2alpha.services.migration_service.pagers.ListMigrationSubtasksPager:
+            google.cloud.bigquery_migration_v2alpha.services.migration_service.pagers.ListMigrationSubtasksPager:
                 Response object for a ListMigrationSubtasks call.
 
                 Iterating over this object will yield results and
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/pagers.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/pagers.py
similarity index 90%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/pagers.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/pagers.py
index fcfa97daef05..22e74aec22d0 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/pagers.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/pagers.py
@@ -24,15 +24,15 @@
     Optional,
 )
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 
 
 class ListMigrationWorkflowsPager:
     """A pager for iterating through ``list_migration_workflows`` requests.
 
     This class thinly wraps an initial
-    :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse` object, and
+    :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse` object, and
     provides an ``__iter__`` method to iterate through its
     ``migration_workflows`` field.
 
@@ -41,7 +41,7 @@ class ListMigrationWorkflowsPager:
     through the ``migration_workflows`` field on the
     corresponding responses.
 
-    All the usual :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse`
+    All the usual :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse`
     attributes are available on the pager. If multiple requests are made, only
     the most recent response is retained, and thus used for attribute lookup.
     """
@@ -59,9 +59,9 @@ def __init__(
         Args:
             method (Callable): The method that was originally called, and
                 which instantiated this pager.
-            request (google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsRequest):
+            request (google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsRequest):
                 The initial request object.
-            response (google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse):
+            response (google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse):
                 The initial response object.
             metadata (Sequence[Tuple[str, str]]): Strings which should be
                 sent along with the request as metadata.
@@ -94,7 +94,7 @@ class ListMigrationWorkflowsAsyncPager:
     """A pager for iterating through ``list_migration_workflows`` requests.
 
     This class thinly wraps an initial
-    :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse` object, and
+    :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse` object, and
     provides an ``__aiter__`` method to iterate through its
     ``migration_workflows`` field.
 
@@ -103,7 +103,7 @@ class ListMigrationWorkflowsAsyncPager:
     through the ``migration_workflows`` field on the
     corresponding responses.
 
-    All the usual :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse`
+    All the usual :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse`
     attributes are available on the pager. If multiple requests are made, only
     the most recent response is retained, and thus used for attribute lookup.
     """
@@ -123,9 +123,9 @@ def __init__(
         Args:
             method (Callable): The method that was originally called, and
                 which instantiated this pager.
-            request (google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsRequest):
+            request (google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsRequest):
                 The initial request object.
-            response (google.cloud.bigquery.migration_v2alpha.types.ListMigrationWorkflowsResponse):
+            response (google.cloud.bigquery_migration_v2alpha.types.ListMigrationWorkflowsResponse):
                 The initial response object.
             metadata (Sequence[Tuple[str, str]]): Strings which should be
                 sent along with the request as metadata.
@@ -164,7 +164,7 @@ class ListMigrationSubtasksPager:
     """A pager for iterating through ``list_migration_subtasks`` requests.
 
     This class thinly wraps an initial
-    :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse` object, and
+    :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse` object, and
     provides an ``__iter__`` method to iterate through its
     ``migration_subtasks`` field.
 
@@ -173,7 +173,7 @@ class ListMigrationSubtasksPager:
     through the ``migration_subtasks`` field on the
     corresponding responses.
 
-    All the usual :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse`
+    All the usual :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse`
     attributes are available on the pager. If multiple requests are made, only
     the most recent response is retained, and thus used for attribute lookup.
     """
@@ -191,9 +191,9 @@ def __init__(
         Args:
             method (Callable): The method that was originally called, and
                 which instantiated this pager.
-            request (google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksRequest):
+            request (google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksRequest):
                 The initial request object.
-            response (google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse):
+            response (google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse):
                 The initial response object.
             metadata (Sequence[Tuple[str, str]]): Strings which should be
                 sent along with the request as metadata.
@@ -226,7 +226,7 @@ class ListMigrationSubtasksAsyncPager:
     """A pager for iterating through ``list_migration_subtasks`` requests.
 
     This class thinly wraps an initial
-    :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse` object, and
+    :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse` object, and
     provides an ``__aiter__`` method to iterate through its
     ``migration_subtasks`` field.
 
@@ -235,7 +235,7 @@ class ListMigrationSubtasksAsyncPager:
     through the ``migration_subtasks`` field on the
     corresponding responses.
 
-    All the usual :class:`google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse`
+    All the usual :class:`google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse`
     attributes are available on the pager. If multiple requests are made, only
     the most recent response is retained, and thus used for attribute lookup.
     """
@@ -255,9 +255,9 @@ def __init__(
         Args:
             method (Callable): The method that was originally called, and
                 which instantiated this pager.
-            request (google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksRequest):
+            request (google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksRequest):
                 The initial request object.
-            response (google.cloud.bigquery.migration_v2alpha.types.ListMigrationSubtasksResponse):
+            response (google.cloud.bigquery_migration_v2alpha.types.ListMigrationSubtasksResponse):
                 The initial response object.
             metadata (Sequence[Tuple[str, str]]): Strings which should be
                 sent along with the request as metadata.
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/base.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/base.py
similarity index 98%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/base.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/base.py
index 6136fafb2843..a37def0b91ef 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/base.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/base.py
@@ -26,8 +26,8 @@
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.protobuf import empty_pb2  # type: ignore
 
 try:
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc.py
similarity index 99%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc.py
index c8bd5beb52a7..359b9684837c 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc.py
@@ -24,8 +24,8 @@
 
 import grpc  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.protobuf import empty_pb2  # type: ignore
 from .base import MigrationServiceTransport, DEFAULT_CLIENT_INFO
 
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc_asyncio.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc_asyncio.py
similarity index 99%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc_asyncio.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc_asyncio.py
index 82d69f9ccb2f..3384e26d9086 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/services/migration_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/services/migration_service/transports/grpc_asyncio.py
@@ -25,8 +25,8 @@
 import grpc  # type: ignore
 from grpc.experimental import aio  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.protobuf import empty_pb2  # type: ignore
 from .base import MigrationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import MigrationServiceGrpcTransport
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/__init__.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/__init__.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_entities.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_entities.py
similarity index 93%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_entities.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_entities.py
index 0ce56d4cce3d..1e992241cf9c 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_entities.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_entities.py
@@ -15,8 +15,8 @@
 #
 import proto  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_error_details
-from google.cloud.bigquery.migration_v2alpha.types import migration_metrics
+from google.cloud.bigquery_migration_v2alpha.types import migration_error_details
+from google.cloud.bigquery_migration_v2alpha.types import migration_metrics
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import error_details_pb2  # type: ignore
@@ -42,12 +42,12 @@ class MigrationWorkflow(proto.Message):
             The display name of the workflow. This can be
             set to give a workflow a descriptive name. There
             is no guarantee or enforcement of uniqueness.
-        tasks (Sequence[google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow.TasksEntry]):
+        tasks (Sequence[google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow.TasksEntry]):
             The tasks in a workflow in a named map. The
             name (i.e. key) has no meaning and is merely a
             convenient way to address a specific task in a
             workflow.
-        state (google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow.State):
+        state (google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow.State):
             Output only. That status of the workflow.
         create_time (google.protobuf.timestamp_pb2.Timestamp):
             Time when the workflow was created.
@@ -91,7 +91,7 @@ class MigrationTask(proto.Message):
             The details of the task. The type URL must be
             one of the supported task details messages and
             correspond to the Task's type.
-        state (google.cloud.bigquery.migration_v2alpha.types.MigrationTask.State):
+        state (google.cloud.bigquery_migration_v2alpha.types.MigrationTask.State):
             Output only. The current state of the task.
         processing_error (google.rpc.error_details_pb2.ErrorInfo):
             Output only. An explanation that may be
@@ -148,13 +148,13 @@ class MigrationSubtask(proto.Message):
             orchestrator or worker) to ensure it only
             creates subtasks for which there are compatible
             workers polling for Subtasks.
-        state (google.cloud.bigquery.migration_v2alpha.types.MigrationSubtask.State):
+        state (google.cloud.bigquery_migration_v2alpha.types.MigrationSubtask.State):
             Output only. The current state of the
             subtask.
         processing_error (google.rpc.error_details_pb2.ErrorInfo):
             Output only. An explanation that may be
             populated when the task is in FAILED state.
-        resource_error_details (Sequence[google.cloud.bigquery.migration_v2alpha.types.ResourceErrorDetail]):
+        resource_error_details (Sequence[google.cloud.bigquery_migration_v2alpha.types.ResourceErrorDetail]):
             Output only. Provides details to errors and
             issues encountered while processing the subtask.
             Presence of error details does not mean that the
@@ -169,7 +169,7 @@ class MigrationSubtask(proto.Message):
             Time when the subtask was created.
         last_update_time (google.protobuf.timestamp_pb2.Timestamp):
             Time when the subtask was last updated.
-        metrics (Sequence[google.cloud.bigquery.migration_v2alpha.types.TimeSeries]):
+        metrics (Sequence[google.cloud.bigquery_migration_v2alpha.types.TimeSeries]):
             The metrics for the subtask.
     """
 
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_error_details.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_error_details.py
similarity index 95%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_error_details.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_error_details.py
index c7d99e19d811..1880b2b4b7ac 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_error_details.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_error_details.py
@@ -30,7 +30,7 @@ class ResourceErrorDetail(proto.Message):
         resource_info (google.rpc.error_details_pb2.ResourceInfo):
             Required. Information about the resource
             where the error is located.
-        error_details (Sequence[google.cloud.bigquery.migration_v2alpha.types.ErrorDetail]):
+        error_details (Sequence[google.cloud.bigquery_migration_v2alpha.types.ErrorDetail]):
             Required. The error details for the resource.
         error_count (int):
             Required. How many errors there are in total for the
@@ -51,7 +51,7 @@ class ErrorDetail(proto.Message):
     encountered when processing a subtask.
 
     Attributes:
-        location (google.cloud.bigquery.migration_v2alpha.types.ErrorLocation):
+        location (google.cloud.bigquery_migration_v2alpha.types.ErrorLocation):
             Optional. The exact location within the
             resource (if applicable).
         error_info (google.rpc.error_details_pb2.ErrorInfo):
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_metrics.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_metrics.py
similarity index 96%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_metrics.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_metrics.py
index 30851946924e..6f08b9ee90ee 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_metrics.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_metrics.py
@@ -43,7 +43,7 @@ class TimeSeries(proto.Message):
             must be auto-created, then this field specifies the metric
             kind of the new descriptor and must be either ``GAUGE`` (the
             default) or ``CUMULATIVE``.
-        points (Sequence[google.cloud.bigquery.migration_v2alpha.types.Point]):
+        points (Sequence[google.cloud.bigquery_migration_v2alpha.types.Point]):
             Required. The data points of this time series. When listing
             time series, points are returned in reverse time order.
 
@@ -68,7 +68,7 @@ class TimeSeries(proto.Message):
 class Point(proto.Message):
     r"""A single data point in a time series.
     Attributes:
-        interval (google.cloud.bigquery.migration_v2alpha.types.TimeInterval):
+        interval (google.cloud.bigquery_migration_v2alpha.types.TimeInterval):
             The time interval to which the data point applies. For
             ``GAUGE`` metrics, the start time does not need to be
             supplied, but if it is supplied, it must equal the end time.
@@ -80,7 +80,7 @@ class Point(proto.Message):
             time and increasing end times, until an event resets the
             cumulative value to zero and sets a new start time for the
             following points.
-        value (google.cloud.bigquery.migration_v2alpha.types.TypedValue):
+        value (google.cloud.bigquery_migration_v2alpha.types.TypedValue):
             The value of the data point.
     """
 
diff --git a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_service.py b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_service.py
similarity index 96%
rename from packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_service.py
rename to packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_service.py
index 531063bf4ab2..279bc193f083 100644
--- a/packages/google-cloud-bigquery-migration/google/cloud/bigquery/migration_v2alpha/types/migration_service.py
+++ b/packages/google-cloud-bigquery-migration/google/cloud/bigquery_migration_v2alpha/types/migration_service.py
@@ -15,7 +15,7 @@
 #
 import proto  # type: ignore
 
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
 from google.protobuf import field_mask_pb2  # type: ignore
 
 
@@ -41,7 +41,7 @@ class CreateMigrationWorkflowRequest(proto.Message):
         parent (str):
             Required. The name of the project to which this migration
             workflow belongs. Example: ``projects/foo/locations/bar``
-        migration_workflow (google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow):
+        migration_workflow (google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow):
             Required. The migration workflow to create.
     """
 
@@ -96,7 +96,7 @@ class ListMigrationWorkflowsRequest(proto.Message):
 class ListMigrationWorkflowsResponse(proto.Message):
     r"""Response object for a ``ListMigrationWorkflows`` call.
     Attributes:
-        migration_workflows (Sequence[google.cloud.bigquery.migration_v2alpha.types.MigrationWorkflow]):
+        migration_workflows (Sequence[google.cloud.bigquery_migration_v2alpha.types.MigrationWorkflow]):
             The migration workflows for the specified
             project / location.
         next_page_token (str):
@@ -189,7 +189,7 @@ class ListMigrationSubtasksRequest(proto.Message):
 class ListMigrationSubtasksResponse(proto.Message):
     r"""Response object for a ``ListMigrationSubtasks`` call.
     Attributes:
-        migration_subtasks (Sequence[google.cloud.bigquery.migration_v2alpha.types.MigrationSubtask]):
+        migration_subtasks (Sequence[google.cloud.bigquery_migration_v2alpha.types.MigrationSubtask]):
             The migration subtasks for the specified
             task.
         next_page_token (str):
diff --git a/packages/google-cloud-bigquery-migration/scripts/fixup_bigquery_migration_v2alpha_keywords.py b/packages/google-cloud-bigquery-migration/scripts/fixup_bigquery_migration_v2alpha_keywords.py
new file mode 100644
index 000000000000..629a81e9bbf1
--- /dev/null
+++ b/packages/google-cloud-bigquery-migration/scripts/fixup_bigquery_migration_v2alpha_keywords.py
@@ -0,0 +1,182 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import argparse
+import os
+import libcst as cst
+import pathlib
+import sys
+from typing import (Any, Callable, Dict, List, Sequence, Tuple)
+
+
+def partition(
+    predicate: Callable[[Any], bool],
+    iterator: Sequence[Any]
+) -> Tuple[List[Any], List[Any]]:
+    """A stable, out-of-place partition."""
+    results = ([], [])
+
+    for i in iterator:
+        results[int(predicate(i))].append(i)
+
+    # Returns trueList, falseList
+    return results[1], results[0]
+
+
+class bigquery_migrationCallTransformer(cst.CSTTransformer):
+    CTRL_PARAMS: Tuple[str] = ('retry', 'timeout', 'metadata')
+    METHOD_TO_PARAMS: Dict[str, Tuple[str]] = {
+        'create_migration_workflow': ('parent', 'migration_workflow', ),
+        'delete_migration_workflow': ('name', ),
+        'get_migration_subtask': ('name', 'read_mask', ),
+        'get_migration_workflow': ('name', 'read_mask', ),
+        'list_migration_subtasks': ('parent', 'read_mask', 'page_size', 'page_token', 'filter', ),
+        'list_migration_workflows': ('parent', 'read_mask', 'page_size', 'page_token', ),
+        'start_migration_workflow': ('name', ),
+    }
+
+    def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
+        try:
+            key = original.func.attr.value
+            kword_params = self.METHOD_TO_PARAMS[key]
+        except (AttributeError, KeyError):
+            # Either not a method from the API or too convoluted to be sure.
+            return updated
+
+        # If the existing code is valid, keyword args come after positional args.
+        # Therefore, all positional args must map to the first parameters.
+        args, kwargs = partition(lambda a: not bool(a.keyword), updated.args)
+        if any(k.keyword.value == "request" for k in kwargs):
+            # We've already fixed this file, don't fix it again.
+            return updated
+
+        kwargs, ctrl_kwargs = partition(
+            lambda a: a.keyword.value not in self.CTRL_PARAMS,
+            kwargs
+        )
+
+        args, ctrl_args = args[:len(kword_params)], args[len(kword_params):]
+        ctrl_kwargs.extend(cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
+                           for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS))
+
+        request_arg = cst.Arg(
+            value=cst.Dict([
+                cst.DictElement(
+                    cst.SimpleString("'{}'".format(name)),
+cst.Element(value=arg.value)
+                )
+                # Note: the args + kwargs looks silly, but keep in mind that
+                # the control parameters had to be stripped out, and that
+                # those could have been passed positionally or by keyword.
+                for name, arg in zip(kword_params, args + kwargs)]),
+            keyword=cst.Name("request")
+        )
+
+        return updated.with_changes(
+            args=[request_arg] + ctrl_kwargs
+        )
+
+
+def fix_files(
+    in_dir: pathlib.Path,
+    out_dir: pathlib.Path,
+    *,
+    transformer=bigquery_migrationCallTransformer(),
+):
+    """Duplicate the input dir to the output dir, fixing file method calls.
+
+    Preconditions:
+    * in_dir is a real directory
+    * out_dir is a real, empty directory
+    """
+    pyfile_gen = (
+        pathlib.Path(os.path.join(root, f))
+        for root, _, files in os.walk(in_dir)
+        for f in files if os.path.splitext(f)[1] == ".py"
+    )
+
+    for fpath in pyfile_gen:
+        with open(fpath, 'r') as f:
+            src = f.read()
+
+        # Parse the code and insert method call fixes.
+        tree = cst.parse_module(src)
+        updated = tree.visit(transformer)
+
+        # Create the path and directory structure for the new file.
+        updated_path = out_dir.joinpath(fpath.relative_to(in_dir))
+        updated_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Generate the updated source file at the corresponding path.
+        with open(updated_path, 'w') as f:
+            f.write(updated.code)
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description="""Fix up source that uses the bigquery_migration client library.
+
+The existing sources are NOT overwritten but are copied to output_dir with changes made.
+
+Note: This tool operates at a best-effort level at converting positional
+      parameters in client method calls to keyword based parameters.
+      Cases where it WILL FAIL include
+      A) * or ** expansion in a method call.
+      B) Calls via function or method alias (includes free function calls)
+      C) Indirect or dispatched calls (e.g. the method is looked up dynamically)
+
+      These all constitute false negatives. The tool will also detect false
+      positives when an API method shares a name with another method.
+""")
+    parser.add_argument(
+        '-d',
+        '--input-directory',
+        required=True,
+        dest='input_dir',
+        help='the input directory to walk for python files to fix up',
+    )
+    parser.add_argument(
+        '-o',
+        '--output-directory',
+        required=True,
+        dest='output_dir',
+        help='the directory to output files fixed via un-flattening',
+    )
+    args = parser.parse_args()
+    input_dir = pathlib.Path(args.input_dir)
+    output_dir = pathlib.Path(args.output_dir)
+    if not input_dir.is_dir():
+        print(
+            f"input directory '{input_dir}' does not exist or is not a directory",
+            file=sys.stderr,
+        )
+        sys.exit(-1)
+
+    if not output_dir.is_dir():
+        print(
+            f"output directory '{output_dir}' does not exist or is not a directory",
+            file=sys.stderr,
+        )
+        sys.exit(-1)
+
+    if os.listdir(output_dir):
+        print(
+            f"output directory '{output_dir}' is not empty",
+            file=sys.stderr,
+        )
+        sys.exit(-1)
+
+    fix_files(input_dir, output_dir)
diff --git a/packages/google-cloud-bigquery-migration/setup.py b/packages/google-cloud-bigquery-migration/setup.py
index 31d3b4547d3d..6ec2c952370d 100644
--- a/packages/google-cloud-bigquery-migration/setup.py
+++ b/packages/google-cloud-bigquery-migration/setup.py
@@ -34,7 +34,7 @@
     license="Apache 2.0",
     url="https://github.com/googleapis/python-bigquery-migration",
     packages=setuptools.PEP420PackageFinder.find(),
-    namespace_packages=("google", "google.cloud", "google.cloud.bigquery"),
+    namespace_packages=("google", "google.cloud"),
     platforms="Posix; MacOS X; Windows",
     include_package_data=True,
     install_requires=(
diff --git a/packages/google-cloud-bigquery-migration/tests/unit/gapic/migration_v2alpha/__init__.py b/packages/google-cloud-bigquery-migration/tests/unit/gapic/bigquery_migration_v2alpha/__init__.py
similarity index 100%
rename from packages/google-cloud-bigquery-migration/tests/unit/gapic/migration_v2alpha/__init__.py
rename to packages/google-cloud-bigquery-migration/tests/unit/gapic/bigquery_migration_v2alpha/__init__.py
diff --git a/packages/google-cloud-bigquery-migration/tests/unit/gapic/migration_v2alpha/test_migration_service.py b/packages/google-cloud-bigquery-migration/tests/unit/gapic/bigquery_migration_v2alpha/test_migration_service.py
similarity index 99%
rename from packages/google-cloud-bigquery-migration/tests/unit/gapic/migration_v2alpha/test_migration_service.py
rename to packages/google-cloud-bigquery-migration/tests/unit/gapic/bigquery_migration_v2alpha/test_migration_service.py
index 3e4c6ffbd4da..75203c8be9b9 100644
--- a/packages/google-cloud-bigquery-migration/tests/unit/gapic/migration_v2alpha/test_migration_service.py
+++ b/packages/google-cloud-bigquery-migration/tests/unit/gapic/bigquery_migration_v2alpha/test_migration_service.py
@@ -31,23 +31,23 @@
 from google.api_core import grpc_helpers_async
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import (
     MigrationServiceAsyncClient,
 )
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import (
     MigrationServiceClient,
 )
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import pagers
-from google.cloud.bigquery.migration_v2alpha.services.migration_service import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import pagers
+from google.cloud.bigquery_migration_v2alpha.services.migration_service import (
     transports,
 )
-from google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.base import (
+from google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.base import (
     _GOOGLE_AUTH_VERSION,
 )
-from google.cloud.bigquery.migration_v2alpha.types import migration_entities
-from google.cloud.bigquery.migration_v2alpha.types import migration_error_details
-from google.cloud.bigquery.migration_v2alpha.types import migration_metrics
-from google.cloud.bigquery.migration_v2alpha.types import migration_service
+from google.cloud.bigquery_migration_v2alpha.types import migration_entities
+from google.cloud.bigquery_migration_v2alpha.types import migration_error_details
+from google.cloud.bigquery_migration_v2alpha.types import migration_metrics
+from google.cloud.bigquery_migration_v2alpha.types import migration_service
 from google.oauth2 import service_account
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
@@ -500,7 +500,7 @@ def test_migration_service_client_client_options_credentials_file(
 
 def test_migration_service_client_client_options_from_dict():
     with mock.patch(
-        "google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.MigrationServiceGrpcTransport.__init__"
+        "google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.MigrationServiceGrpcTransport.__init__"
     ) as grpc_transport:
         grpc_transport.return_value = None
         client = MigrationServiceClient(
@@ -2532,7 +2532,7 @@ def test_migration_service_base_transport_error():
 def test_migration_service_base_transport():
     # Instantiate the base transport.
     with mock.patch(
-        "google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.MigrationServiceTransport.__init__"
+        "google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.MigrationServiceTransport.__init__"
     ) as Transport:
         Transport.return_value = None
         transport = transports.MigrationServiceTransport(
@@ -2561,7 +2561,7 @@ def test_migration_service_base_transport_with_credentials_file():
     with mock.patch.object(
         google.auth, "load_credentials_from_file", autospec=True
     ) as load_creds, mock.patch(
-        "google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
+        "google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
     ) as Transport:
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
@@ -2582,7 +2582,7 @@ def test_migration_service_base_transport_with_credentials_file_old_google_auth(
     with mock.patch.object(
         google.auth, "load_credentials_from_file", autospec=True
     ) as load_creds, mock.patch(
-        "google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
+        "google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
     ) as Transport:
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
@@ -2599,7 +2599,7 @@ def test_migration_service_base_transport_with_credentials_file_old_google_auth(
 def test_migration_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
     with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.bigquery.migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
+        "google.cloud.bigquery_migration_v2alpha.services.migration_service.transports.MigrationServiceTransport._prep_wrapped_messages"
     ) as Transport:
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)