import DeveloperError from '../Core/DeveloperError.js';
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/**
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* A policy for discarding tile images according to some criteria. This type describes an
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* interface and is not intended to be instantiated directly.
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*
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* @alias TileDiscardPolicy
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* @constructor
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*
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* @see DiscardMissingTileImagePolicy
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* @see NeverTileDiscardPolicy
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*/
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function TileDiscardPolicy(options) {
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DeveloperError.throwInstantiationError();
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}
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/**
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* Determines if the discard policy is ready to process images.
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* @function
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*
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* @returns {Boolean} True if the discard policy is ready to process images; otherwise, false.
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*/
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TileDiscardPolicy.prototype.isReady = DeveloperError.throwInstantiationError;
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/**
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* Given a tile image, decide whether to discard that image.
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* @function
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*
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* @param {Image} image An image to test.
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* @returns {Boolean} True if the image should be discarded; otherwise, false.
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*/
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TileDiscardPolicy.prototype.shouldDiscardImage = DeveloperError.throwInstantiationError;
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export default TileDiscardPolicy;
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