import { SecondaryExposure } from '../LogEvent';
export type StickyValues = {
    value: boolean;
    json_value: Record<string, unknown>;
    rule_id: string;
    group_name: string | null;
    secondary_exposures: SecondaryExposure[];
    undelegated_secondary_exposures: SecondaryExposure[];
    config_delegate: string | null;
    explicit_parameters: string[] | null;
    time: number;
    configVersion?: number | undefined;
};
export type UserPersistedValues = Record<string, StickyValues>;
/**
 * A storage adapter for persisted values. Can be used for sticky bucketing users in experiments.
 */
export interface IUserPersistentStorage {
    /**
     * Returns the full map of persisted values for a specific user key
     * @param key user key
     */
    load(key: string): UserPersistedValues;
    /**
     * Save the persisted values of a config given a specific user key
     * @param key user key
     * @param configName Name of the config/experiment
     * @param data Object representing the persistent assignment to store for the given user-config
     */
    save(key: string, configName: string, data: StickyValues): void;
    /**
     * Delete the persisted values of a config given a specific user key
     * @param key user key
     * @param configName Name of the config/experiment
     */
    delete(key: string, configName: string): void;
}