export type UserPreferences = {
    toolbarDockingInitialPosition?: 'top' | 'none' | null;
};
export interface UserPreferencesProvider {
    /**
     * get a user preference, Note that this function is a not async function,
     * meaning that consumers should prefetch the user preference and make it available initially
     * @param key
     */
    getPreference: <K extends keyof UserPreferences>(key: K) => UserPreferences[K] | undefined | null;
    /**
     * This method fetches the latest user preferences
     * @returns a promise that resolves with the user preferences, or rejects if error occurs
     */
    loadPreferences: () => Promise<UserPreferences>;
    /**
     * This method updates a user preference
     * @param key
     * @param value
     * @returns a promise that resolves when the preference is updated, or rejects if the update fails
     */
    updatePreference: <K extends keyof UserPreferences>(key: K, value: UserPreferences[K]) => Promise<void>;
}