/**
 * Notification types and public contracts.
 */
import type { VNode, ComponentPublicInstance, Ref, AppContext } from 'vue';
/**
 * Supported notification variants.
 */
export declare const notificationTypes: readonly ["success", "warning", "info", "error"];
export type NotificationType = (typeof notificationTypes)[number];
/**
 * Supported notification positions.
 */
export declare const notificationPositions: readonly ["top-right", "top-left", "top-center", "bottom-right", "bottom-left", "bottom-center"];
export type NotificationPosition = (typeof notificationPositions)[number];
/**
 * Notification component props.
 */
export interface NotificationProps {
    /**
     * Notification title.
     */
    title?: string;
    /**
     * Notification content.
     */
    message?: string | VNode | (() => VNode);
    /**
     * Notification variant.
     */
    type?: NotificationType;
    /**
     * Custom icon.
     */
    icon?: string | VNode;
    /**
     * Whether to show the close button.
     * @default true
     */
    showClose?: boolean;
    /**
     * Auto-close duration in milliseconds. Set to 0 to disable auto-close.
     * @default 4500
     */
    duration?: number;
    /**
     * Offset from the viewport edge in pixels.
     * @default 16
     */
    offset?: number;
    /**
     * Notification position.
     * @default 'top-right'
     */
    position?: NotificationPosition;
    /**
     * Unique notification id.
     */
    id?: string;
    /**
     * Render message content as raw HTML.
     * @default false
     */
    dangerouslyUseHTMLString?: boolean;
    /**
     * Callback fired after the notification closes.
     */
    onClose?: () => void;
    /**
     * Callback fired when the notification is clicked.
     */
    onClick?: () => void;
    /**
     * z-index value.
     */
    zIndex?: number;
    /**
     * Custom CSS class.
     */
    customClass?: string;
    /**
     * Maximum visible notifications per position.
     */
    max?: number;
    /**
     * Component-level theme overrides.
     */
    themeOverrides?: import('@yh-ui/theme').ComponentThemeVars;
}
/**
 * Notification component emits.
 */
export interface NotificationEmits {
    (e: 'destroy'): void;
    (e: 'click'): void;
}
/**
 * Notification component slots.
 */
export interface NotificationSlots {
    /**
     * Notification content slot.
     */
    default?: () => void;
    /**
     * Icon slot.
     */
    icon?: () => void;
}
/**
 * Exposed notification instance methods.
 */
export interface NotificationExpose {
    visible: Ref<boolean>;
    close: () => void;
}
/**
 * Notification component instance.
 */
export type NotificationInstance = ComponentPublicInstance<NotificationExpose>;
/**
 * Notification options accepted by the service API.
 */
export interface NotificationOptions extends Partial<NotificationProps> {
    /**
     * 应用上下文，用于继承全局配置/组件。
     */
    appContext?: AppContext | null;
    /**
     * 设置通知挂载的根元素，默认优先挂载到 .yh-config-provider，否则回退到 document.body。
     */
    appendTo?: string | HTMLElement;
}
/**
 * Notification service handler.
 */
export interface NotificationHandler {
    close: () => void;
    el?: HTMLElement;
}
/**
 * Internal notification instance context.
 */
export interface NotificationContext {
    id: string;
    props: NotificationOptions;
    handler: NotificationHandler;
    vnode: import('vue').VNode;
}
/**
 * Notification service API.
 */
export type NotificationFn = {
    (options: NotificationOptions | string, appContext?: AppContext | null): NotificationHandler;
    success: (title: string, message?: string | NotificationOptions, appContext?: AppContext | null) => NotificationHandler;
    warning: (title: string, message?: string | NotificationOptions, appContext?: AppContext | null) => NotificationHandler;
    info: (title: string, message?: string | NotificationOptions, appContext?: AppContext | null) => NotificationHandler;
    error: (title: string, message?: string | NotificationOptions, appContext?: AppContext | null) => NotificationHandler;
    closeAll: () => void;
};