import { PdfFilter } from './types.js';
/**
 * Creates a Flate filter for compressing and decompressing PDF stream data.
 * Uses the DEFLATE compression algorithm (same as zlib/gzip).
 *
 * @returns A PdfFilter object with encode and decode methods.
 *
 * @example
 * ```typescript
 * const filter = flate()
 * const compressed = filter.encode(rawData)
 * const decompressed = filter.decode(compressed)
 * ```
 */
export declare function flate(): PdfFilter;