import type { SafetyProfile } from '../compress/types.js';
export type CompressionAlgorithm = 'gzip' | 'deflate' | 'deflate-raw' | 'brotli' | 'zstd' | 'bzip2' | 'xz';
export type CompressionMode = 'compress' | 'decompress';
export type CompressionProgress = {
    bytesIn: bigint;
    bytesOut: bigint;
};
export interface CompressionTransformOptions {
    algorithm: CompressionAlgorithm;
    signal?: AbortSignal;
    onProgress?: (event: CompressionProgress) => void;
    level?: number;
    quality?: number;
    maxOutputBytes?: bigint | number;
    maxCompressionRatio?: number;
    maxDictionaryBytes?: bigint | number;
    maxBufferedInputBytes?: number;
    maxXzIndexRecords?: number;
    maxXzIndexBytes?: number;
    maxBzip2BlockSize?: number;
    safetyProfile?: SafetyProfile;
}
export declare function createCompressTransform(options: CompressionTransformOptions): Promise<ReadableWritablePair<Uint8Array, Uint8Array>>;
export declare function createDecompressTransform(options: CompressionTransformOptions): Promise<ReadableWritablePair<Uint8Array, Uint8Array>>;
export declare function supportsCompressionAlgorithm(algorithm: CompressionAlgorithm, mode: CompressionMode): Promise<boolean>;
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