import * as BI from '../bigint';
export declare function encodeUnicodeString(str: string): Buffer;
export declare function encodeShortAsciiString(str: string): Buffer;
export declare function encodeAsciiString(str: string): Buffer;
export declare function writeInt64LE(buffer: Buffer, n: BI.PortableBigInt, offset: number): number;
export declare function writeUInt64LE(buf: Buffer, value: BI.PortableBigInt, offset: number): number;