/**
 * Utilities for bucketing visitors
 * Ported from https://github.com/optimizely/client-js/blob/94b7cd331744d0d6852442cd9fadeb7d4fb212f1/src/core/decision/bucketing.js
 * @module
 */
import type { Experience, WeightDistribution } from '../../models';
export declare const TOTAL_POINTS = 10000;
/**
 * Generate a "bucketingNumber" which is a hash based on the ticket, entityId, and seed
 * Designed to be consistent with consistent inputs.
 * @param {string} bucketingId
 * @param {string} entityId
 * @param {hashing.Seed} seed
 * @return {number} between 0 and 9999 representing the bucketing number for the ticket
 * @private
 */
export declare function bucketingNumber(bucketingId: string, entityId: string, seed: number): number;
/**
 * Decide if this ticket should be withheld from a given "entity" (layer, experiment, variation, etc)
 * based on the entity holdback property.
 * @param {string} bucketingId
 * @param {{id: string, holdback: (number|undefined)}} entity
 * @return {boolean} if the ticket should be held back
 */
export declare function isHoldback(bucketingId: string, entity: Experience): boolean;
/**
 * Choose a weight for a ticket from an array of possible weights based on the entity
 * @param {string} bucketingId
 * @param {string} parentId
 * @param {WeightDistribution[]} candidates
 * @return {string} id of the chosen candidate
 */
export declare function chooseWeightedCandidate(bucketingId: string, parentId: string, candidates: WeightDistribution[]): string;