import React from 'react';
import type { Toast, ToastLayout } from "./types";
export declare const defaultToastLayout: Required<ToastLayout>;
export type UpdateToastsFunction = (fn: (toasts: Array<Toast>) => Array<Toast>) => void;
export type UpdateToastsLayoutFunction = (fn: (layout: Required<ToastLayout>) => Required<ToastLayout>) => void;
export type UpdateToastsIDFunction = (fn: () => string | null) => void;
export interface MestToastContextParams {
    toasts: Array<Toast>;
    updateToasts: UpdateToastsFunction;
    toastLayout: Required<ToastLayout>;
    updateToastLayout: UpdateToastsLayoutFunction;
    lastUpdateToastId: string | null;
    updateLastToastId: UpdateToastsIDFunction;
}
export declare const MestToastContext: React.Context<MestToastContextParams>;
export declare const useMestToastContext: () => MestToastContextParams;