import { Snackbar } from './Snackbar';
/**
 * State that describes which snackbars are queued, open or closed
 */
export declare type SnackbarState = {
    queued: Snackbar[];
    opened: Snackbar['id'] | undefined;
    closed: Snackbar['id'][];
};
/**
 * Default state that has mounted SnackbarState on snackbar key
 */
export declare type SnackbarMountedState = {
    snackbar?: SnackbarState;
    [key: string]: any;
};