/**
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* @license
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* Copyright 2020 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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/// <amd-module name="@tensorflow/tfjs-core/dist/ops/expand_dims" />
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import { Tensor } from '../tensor';
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import { TensorLike } from '../types';
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/**
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* Returns a `tf.Tensor` that has expanded rank, by inserting a dimension
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* into the tensor's shape.
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*
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* ```js
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* const x = tf.tensor1d([1, 2, 3, 4]);
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* const axis = 1;
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* x.expandDims(axis).print();
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* ```
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*
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* @param x The input tensor whose dimensions are to be expanded.
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* @param axis The dimension index at which to insert shape of `1`. Defaults
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* to 0 (the first dimension).
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*
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* @doc {heading: 'Tensors', subheading: 'Transformations'}
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*/
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declare function expandDims_<T extends Tensor>(x: Tensor | TensorLike, axis?: number): T;
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export declare const expandDims: typeof expandDims_;
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export {};
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