/** FireStore Database  FirebaseUser  JSON Format. Same as IR8FirebaseUser.
 */
export declare type IR8FirebaseUserFS = IR8FirebaseUser;
/**
 * Firebase User 1--1 linked to Firestore User via UID
 *
 */
export interface IR8FirebaseUser {
    displayName: string;
    guid: string;
    photoURL?: string;
    emailVerified?: boolean;
    isAnonymous?: boolean;
    phoneNumber?: string;
    email?: string;
    description?: string;
}
export declare function FirebaseUserInitialValue(): Partial<IR8FirebaseUser>;
/** Default Validation FirebaseUser
 * Throw Error if fail
 */
export declare function CheckFirebaseUserIsValid(Obj: Partial<IR8FirebaseUser> | Partial<IR8FirebaseUserFS>): void;
/** Default Validation FirebaseUser
 * return Error message if failure
 */
export declare function FirebaseUserIsValid(Obj: Partial<IR8FirebaseUser> | Partial<IR8FirebaseUserFS>): string;
/** Serialize IR8FirebaseUser to Firestore JSON */
export declare function FirebaseUser2JSON(Obj: Partial<IR8FirebaseUser>): IR8FirebaseUserFS;
/** Serialize Firestore JSON to IR8FirebaseUser. json can be undefined */
export declare function JSON2FirebaseUser(json: Partial<IR8FirebaseUserFS> | undefined, target: IR8FirebaseUser): void;
/** New FirebaseUser from Firestore JSON */
export declare function JSONAsFirebaseUser(json?: Partial<IR8FirebaseUserFS>): IR8FirebaseUser;