import { QueryClient, UseQueryResult } from '@tanstack/react-query';
export type PublicUser = {
    id: string;
    alias: string;
    profilePictureThumbnailId: string | null;
    emailVerifiedAt: Date | null;
};
export declare const publicUserQueryKey: (userId: string) => readonly ["public-user", string];
export declare const fetchPublicUserBatched: (userId: string) => Promise<PublicUser | null>;
export declare const usePublicUser: (userId: string | null | undefined) => UseQueryResult<PublicUser | null, Error>;
export declare const usePublicUsers: (userIds: readonly (string | null | undefined)[]) => Record<string, PublicUser>;
export declare const primePublicUsers: (queryClient: QueryClient, users: readonly PublicUser[]) => void;
export declare const usePrimePublicUsers: () => (users: readonly PublicUser[]) => void;
export declare const invalidatePublicUsers: (queryClient: QueryClient, userIds: readonly string[]) => void;