/***
 * For use by people.js
 *
 * Utility functions to operate on the values of the _people set.
 */
export declare const create: () => {
    invitees: {};
    userProfiles: {};
    cache: {};
};
/**
 * Check if a personObj represents a empty person
 * @param p
 * @returns {boolean}
 * @private
 */
export declare const isEmpty: (p: any) => boolean;
export declare const linkInviteeKey: (p: any, k: any) => void;
export declare const unlinkInviteeKey: (p: any, k: any) => void;
export declare const getInviteeKeys: (p: any) => string[];
export declare const linkUserProfileKey: (p: any, k: any) => void;
export declare const unlinkUserProfileKey: (p: any, k: any) => void;
export declare const getUserProfileKeys: (p: any) => string[];
export declare const getCachedValue: (p: any, key: any) => any;
export declare const setCachedValue: (p: any, key: any, value: any) => void;
export declare const clearCache: (p: any) => void;