import { ComponentPublicInstance, Ref } from 'vue';
type ToastTarget = string | ComponentPublicInstance | HTMLElement | null | undefined;
type MaybeRef<T> = T | Ref<T>;
export declare function useToast(target?: MaybeRef<ToastTarget>): {
    show: (params: string | Partial<{
        readonly position: import('./types').ToastPositionT;
        readonly defaultVisible: boolean;
        readonly long: boolean;
    } & {
        readonly duration?: number | undefined;
        readonly message?: string | undefined;
        readonly visible?: boolean | undefined;
        readonly beforeClose?: (() => Promise<boolean> | boolean) | undefined;
    } & {
        content: string | import('vue').VNode | import('vue').Component;
        position: import('./types').ToastPositionT;
        targetOffset: number;
        targetAlign: "center" | "left" | "right";
        onDurationEnd: () => void;
        onClose: (ev?: MouseEvent) => void;
    }>) => () => void;
    /** 关闭本 useToast 实例渲染的所有消息 */
    close: () => void;
    /** 关闭所有实例渲染的所有消息 */
    closeAll: () => void;
};
export {};