export declare const N = 115792089237316195423570985008687907852837564279074904382605163141518161494337n;
/**
 * Convert bigint to 32-byte Uint8Array (big-endian)
 */
export declare function bigintToBytes(num: bigint): Uint8Array;
/**
 * Convert Uint8Array to ArrayBuffer (create a new one to avoid SharedArrayBuffer issues)
 */
export declare function uint8ArrayToArrayBuffer(uint8Array: Uint8Array): ArrayBuffer;
/**
 * Convert ArrayBuffer to Uint8Array
 */
export declare function arrayBufferToUint8Array(buffer: ArrayBuffer): Uint8Array;
/**
 * Convert number array to Uint8Array
 */
export declare function numberArrayToUint8Array(arr: number[]): Uint8Array;
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