/**
 * Filter - PDF compression and decompression filters
 *
 * This implementation mirrors the Rust `pdf::filter` module for 100% API compatibility.
 */
import { type FilterType } from './types.js';
/**
 * Compress data using FlateDecode (zlib deflate)
 */
export declare function flateEncode(data: Uint8Array): Uint8Array;
/**
 * Decompress FlateDecode (zlib inflate) data
 */
export declare function flateDecode(data: Uint8Array): Uint8Array;
/**
 * Encode data to ASCII hex
 */
export declare function asciiHexEncode(data: Uint8Array): Uint8Array;
/**
 * Decode ASCII hex data
 */
export declare function asciiHexDecode(data: Uint8Array): Uint8Array;
/**
 * Encode data to ASCII85
 */
export declare function ascii85Encode(data: Uint8Array): Uint8Array;
/**
 * Decode ASCII85 data
 */
export declare function ascii85Decode(data: Uint8Array): Uint8Array;
/**
 * Encode data using Run-Length Encoding
 */
export declare function runLengthEncode(data: Uint8Array): Uint8Array;
/**
 * Decode Run-Length encoded data
 */
export declare function runLengthDecode(data: Uint8Array): Uint8Array;
/**
 * Decode LZW compressed data
 */
export declare function lzwDecode(data: Uint8Array, earlyChange?: boolean): Uint8Array;
/**
 * Decode data using the specified filter
 */
export declare function decodeFilter(filter: FilterType, data: Uint8Array, params?: Record<string, unknown>): Uint8Array;
/**
 * Encode data using the specified filter
 */
export declare function encodeFilter(filter: FilterType, data: Uint8Array, _params?: Record<string, unknown>): Uint8Array;
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