import FragmentBase from '../FragmentBase.js';
import { DestructuredFragment } from '../@types/index.js';
/**
 * RandomFragment class for random IDs.
 * @public
 */
export default class RandomFragment extends FragmentBase {
    private readonly fn?;
    /**
     * @remarks
     * When using a custom random function, please ensure it returns a positive number
     * no greater than `2 ** bits - 1`.
     *
     * @param bits - The number of bits for the fragment.
     * @param fn - Optional custom random function.
     *
     * @throws `[RND_FUNCTION_RETURN_TYPE]` If custom function does not return number or bigint, or if the value is out of range.
     */
    constructor(bits: number, fn?: (() => number | bigint) | undefined);
    getValue(): bigint;
    destructure(snowflake: number | bigint | string): DestructuredFragment;
}