import { Primitives } from '../common';
export declare const LONG_LEN = 8;
export declare class Long extends Primitives {
    private readonly bigint;
    constructor(bigint: bigint);
    static fromBytes(buf: Uint8Array): [Long, Uint8Array];
    toBytes(): Uint8Array<ArrayBufferLike>;
    toJSON(): string;
    value(): bigint;
}
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