/**
 * Archive-specific binary utilities.
 *
 * For common utilities (concatUint8Arrays), import directly from @stream/shared.
 */
/**
 * A reusable empty Uint8Array instance.
 *
 * Use this constant instead of creating `new Uint8Array(0)` to avoid
 * allocating new objects for empty byte arrays.
 */
export declare const EMPTY_UINT8ARRAY: Uint8Array<ArrayBuffer>;
/**
 * Find the first index of `pattern` within `buffer`.
 * Returns -1 when not found.
 *
 * This is optimized for small patterns (1-4 bytes) common in ZIP parsing.
 */
export declare function indexOfUint8ArrayPattern(buffer: Uint8Array, pattern: Uint8Array, startIndex?: number): number;