From cf37db59dfab182aa03f752c86ec4f41d26d32fe Mon Sep 17 00:00:00 2001
From: Ping Yu <4018+pyu10055@users.noreply.github.com>
Date: Wed, 22 Apr 2020 13:19:41 -0700
Subject: [PATCH] cherry pick g3 fix to release branch (#3138)

INTERNAL
* Remove duplicate declaration. (#3030)

BUG Remove duplicate declaration.

* Add license. (#3027)

BUG Add license to pad3d.ts.

Co-authored-by: Na Li <linazhao@google.com>
---
 tfjs-core/src/ops/pad3d.ts     | 16 ++++++++++++++++
 tfjs-core/src/ops/rand_util.ts | 18 ------------------
 2 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/tfjs-core/src/ops/pad3d.ts b/tfjs-core/src/ops/pad3d.ts
index 88b0325f081..82817419044 100644
--- a/tfjs-core/src/ops/pad3d.ts
+++ b/tfjs-core/src/ops/pad3d.ts
@@ -1,3 +1,19 @@
+/**
+ * @license
+ * Copyright 2020 Google Inc. All Rights Reserved.
+ * 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 {Tensor3D} from '../tensor';
 import {TensorLike} from '../types';
 import {assert} from '../util';
diff --git a/tfjs-core/src/ops/rand_util.ts b/tfjs-core/src/ops/rand_util.ts
index 889b3bfc153..fae0174cb0c 100644
--- a/tfjs-core/src/ops/rand_util.ts
+++ b/tfjs-core/src/ops/rand_util.ts
@@ -286,21 +286,3 @@ function skewness(values: TypedArray|number[]) {
   }
   return (1 / n) * sum3 / Math.pow((1 / (n - 1)) * sum2, 3 / 2);
 }
-
-export interface RandomBase {
-  nextValue(): number;
-}
-
-export interface RandomGamma {
-  nextValue(): number;
-}
-
-export interface RandNormalDataTypes {
-  float32: Float32Array;
-  int32: Int32Array;
-}
-
-export interface RandGammaDataTypes {
-  float32: Float32Array;
-  int32: Int32Array;
-}