/**
 * NotificationQueue - Priority-based notification system with auto-dismiss and dedup.
 *
 * Renders up to 3 visible notifications at a time, newest first.
 * Each notification has a priority level that controls its auto-dismiss timeout.
 * Notifications with the same key replace each other (dedup).
 */
/**
 * [WHO]: NotificationQueue
 * [FROM]: Depends on @catui/tui
 * [TO]: Consumed by modes/interactive/interactive-mode.ts
 * [HERE]: modes/interactive/components/notification-queue.ts -
 */
import { Container, type TUI } from "@catui/tui";
import type { Theme } from "../theme/theme.js";
export type NotificationPriority = "immediate" | "high" | "medium" | "low";
export type NotificationType = "info" | "warning" | "error";
export interface NotificationOptions {
    /** Dedup key — replacing existing notification with the same key. */
    key?: string;
    priority?: NotificationPriority;
    type?: NotificationType;
    /** Auto-dismiss timeout in ms. 0 = never auto-dismiss. Default based on priority. */
    duration?: number;
}
export declare class NotificationQueue extends Container {
    private tui;
    private theme;
    private items;
    private textComponents;
    constructor(tui: TUI, theme: Theme);
    /**
     * Show a notification.
     */
    notify(message: string, options?: NotificationOptions): void;
    private scheduleDismiss;
    private removeItem;
    private renderVisible;
    private getTypePrefix;
    private rebuildChildren;
    /**
     * Clear all notifications.
     */
    clearAll(): void;
    /**
     * Get the number of active notifications.
     */
    get count(): number;
}