import "./toast.css";
import type * as React from "react";
/** What a screen reports. Each verb queues one toast and returns nothing —
 *  dismissal is the reader's (swipe, Escape) or the timer's. */
export interface ToastActions {
    success: (message: string) => void;
    error: (message: string) => void;
    warning: (message: string) => void;
    /**
     * A REMOVAL THAT ASKED NOTHING, and the way back from it.
     *
     * This is the other half of the confirm law: an act that is UNDOABLE — a
     * detach, a tick, a draft — does not earn a blocking dialog, and what makes
     * that safe is the offer on screen rather than the question before it. An act
     * the reader already confirmed reports with `success` and offers nothing back:
     * they have answered once, and a second way out says the first did not count.
     */
    undo: (message: string, onUndo: () => void) => void;
}
/** Queue a toast from anywhere under `ToastProvider`. */
export declare function useToast(): ToastActions;
export interface ToastProviderProps {
    children?: React.ReactNode;
}
/**
 * Mount once, around the app. It carries the queue and paints the viewport the
 * toasts stack in — a fixed strip centred at the top of the window, above every
 * overlay, because a toast reports the outcome of the very action an `Alert`
 * just confirmed.
 */
export declare function ToastProvider({ children }: ToastProviderProps): React.JSX.Element;