/**
 * Helpers for binary-safe key/value handling (Buffer as default).
 */
/**
 * Coerce value to Buffer. Accepts string or Buffer.
 */
export declare function toBuffer(value: string | Buffer): Buffer;
/**
 * Coerce value to Buffer for storage. Null/undefined not allowed for values.
 */
export declare function asKey(value: string | Buffer): Buffer;
/**
 * Same as toBuffer; alias for value coercion.
 */
export declare function asValue(value: string | Buffer): Buffer;