/**
 * Compression handling for ZIP entries
 * Supports both STORE (no compression) and DEFLATE compression
 */
export interface CompressionResult {
    compressedData: Uint8Array;
    crc32: number;
    compressedSize: number;
    uncompressedSize: number;
}
export interface CompressionStreamResult {
    readable: ReadableStream<Uint8Array>;
    crc32Promise: Promise<number>;
    compressedSizePromise: Promise<number>;
    uncompressedSizePromise: Promise<number>;
}
/**
 * Compression method enum
 */
export type CompressionMethod = 'store' | 'deflate';
/**
 * Compress data using the STORE method (no compression)
 */
export declare function compressStore(data: Uint8Array): Promise<CompressionResult>;
/**
 * Compress data using DEFLATE
 */
export declare function compressDeflate(data: Uint8Array): Promise<CompressionResult>;
/**
 * Create a compression stream for streaming data
 */
export declare function createCompressionStream(inputStream: ReadableStream<Uint8Array> | NodeJS.ReadableStream, method?: CompressionMethod): CompressionStreamResult;
/**
 * Get compression method constant
 */
export declare function getCompressionMethodConstant(method: CompressionMethod): number;
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