export declare function concatBytes(...parts: readonly Uint8Array[]): Uint8Array;
export declare function utf8(value: string): Uint8Array;
export declare function uint32Le(value: number, label?: string): Uint8Array;
export declare function uint64Le(value: bigint, label?: string): Uint8Array;
export declare function assertBytes(value: Uint8Array, length: number, label: string): void;
export declare function bytesToHex(bytes: Uint8Array): string;
export declare function hexToBytes(value: string, length?: number, label?: string): Uint8Array;
/** Encode bytes using the Bitcoin/Solana base58 alphabet. */
export declare function encodeBase58(bytes: Uint8Array): string;