export declare function padLeft(bytes: Uint8Array, length: number): Uint8Array<ArrayBufferLike>;
export declare function hexToBuffer(hex: string): Uint8Array<ArrayBufferLike>;
export declare function bufferToNumber(buf: Uint8Array): number;
export declare function bufferToBigInt(buf: Uint8Array): bigint;
export declare function bufferToHex(buf: Uint8Array): string;
export declare function addChecksum(data: Uint8Array): Uint8Array<ArrayBufferLike>;
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