type ReleaseNotesState = {
    lastDisplayedReleaseNotesVersion: string | null;
    setLastDisplayedReleaseNotesVersion: (ver: string) => void;
};
export declare const useReleaseNotesVersion: () => ReleaseNotesState;
export declare const getLastDisplayedReleaseNotesVersion: () => string | null;
export declare const setLastDisplayedReleaseNotesVersion: (ver: string) => void;
export {};