/**
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* @license
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* Copyright 2018 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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*/
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/// <amd-module name="@tensorflow/tfjs-data/dist/iterators/webcam_iterator" />
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import { Tensor3D } from '@tensorflow/tfjs-core';
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import { WebcamConfig } from '../types';
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import { LazyIterator } from './lazy_iterator';
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/**
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* Provide a stream of image tensors from webcam video stream. Only works in
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* browser environment.
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*/
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export declare class WebcamIterator extends LazyIterator<Tensor3D> {
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protected readonly webcamVideoElement: HTMLVideoElement;
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protected readonly webcamConfig: WebcamConfig;
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private isClosed;
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private stream;
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private resize;
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private cropSize;
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private cropBox;
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private cropBoxInd;
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private constructor();
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summary(): string;
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static create(webcamVideoElement?: HTMLVideoElement, webcamConfig?: WebcamConfig): Promise<WebcamIterator>;
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start(): Promise<void>;
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next(): Promise<IteratorResult<Tensor3D>>;
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private needToResize;
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cropAndResizeFrame(img: Tensor3D): Tensor3D;
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capture(): Promise<Tensor3D>;
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stop(): void;
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toArray(): Promise<Tensor3D[]>;
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}
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