import "./toast.css";
import type * as React from "react";
/** Each verb queues one toast; dismissal is the reader's or the timer's. */
export interface ToastActions {
    success: (message: string) => void;
    error: (message: string) => void;
    warning: (message: string) => void;
    /** An undoable act (a detach, a tick) earns no confirm, because the undo offer makes it safe. A
     *  confirmed act reports `success` with nothing back, since a second way out says the first did not
     *  count. */
    undo: (message: string, onUndo: () => void) => void;
}
export declare function useToast(): ToastActions;
export interface ToastProviderProps {
    children?: React.ReactNode;
}
/** Mount once around the app: the queue and a fixed strip at the top, above every overlay, since a toast
 *  reports what an `Alert` just confirmed. */
export declare function ToastProvider({ children }: ToastProviderProps): React.JSX.Element;