export default class RendezvousMapper {
    private readonly _fanout;
    private readonly _hashAlgorithm;
    private readonly _targetClusterSize;
    private readonly _minClusterSize;
    private _clusterCount;
    private _clusters;
    private _virtualLevelCount;
    constructor(options?: {
        fanout?: number;
        hashAlgorithm?: string;
        targetClusterSize?: number;
        minClusterSize?: number;
    });
    private static _logx;
    private static _getVirtualLevelCount;
    private _hash;
    private _generateClusters;
    setSites(sites: string[]): void;
    getSites(): string[];
    findSite(key: string, salt?: number): string | null;
    private _findIndexWithHighestRandomWeight;
}