import { type ByteCursor } from "../core/byte-cursor.ts";
export declare const readU64FixedArray: (bc: ByteCursor, len: number) => BigUint64Array<ArrayBuffer>;
export declare function readU64Array(bc: ByteCursor): BigUint64Array<ArrayBuffer>;
export declare const writeU64FixedArray: (bc: ByteCursor, x: BigUint64Array) => void;
export declare function writeU64Array(bc: ByteCursor, x: BigUint64Array): void;