import { Hash } from 'crypto';
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import { RawSourceMap } from 'source-map';
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import { MapOptions, SourceAndMapResult } from '.';
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/**
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* Base class for all sources.
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* A Source can be asked for source code, size, source map and hash.
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*/
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declare abstract class Source {
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/**
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* Returns the represented source code as string.
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*/
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source(): string | ArrayBuffer;
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/**
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* Returns the represented source code as Buffer. Strings are converted to utf-8.
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*/
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buffer(): Buffer;
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/**
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* Returns the size in chars of the represented source code.
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*/
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size(): number;
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/**
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* Returns the SourceMap of the represented source code as JSON.
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* May return `null` if no SourceMap is available.
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*/
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map(options?: MapOptions): RawSourceMap | null;
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/**
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* Returns both, source code (like `Source.prototype.source()` and SourceMap (like `Source.prototype.map()`).
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* This method could have better performance than calling `source()` and `map()` separately.
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*/
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sourceAndMap(options?: MapOptions): SourceAndMapResult;
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/**
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* Updates the provided Hash object with the content of the represented source code.
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* (Hash is an object with an update method, which is called with string values)
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*/
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updateHash(hash: Hash): void;
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}
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export = Source;
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