import { TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * Animation states for the menu bar content
 */
type AnimationState = 'closed' | 'opening' | 'open' | 'closing';
/**
 * DropdownMenuBarContent - Container for menu bar dropdown content
 */
export declare class DropdownMenuBarContentComponent {
    private readonly menuStack;
    template: TemplateRef<unknown>;
    private readonly isOpen;
    private readonly isAnimatingOpen;
    /**
     * Custom CSS classes
     */
    class: import("@angular/core").InputSignal<string>;
    /**
     * Size variant
     */
    size: import("@angular/core").InputSignal<"xs" | "sm" | "md" | "lg" | "xl">;
    /** Whether to apply shadow */
    shadow: import("@angular/core").InputSignal<boolean>;
    /**
     * Emitted when the menu is opened
     */
    opened: import("@angular/core").OutputEmitterRef<void>;
    /**
     * Emitted when the menu is closed
     */
    closed: import("@angular/core").OutputEmitterRef<void>;
    /**
     * Computed data state for ARIA and animations
     */
    dataState: import("@angular/core").Signal<AnimationState>;
    /**
     * Handle ESC key press
     */
    onEscapeKey(event: KeyboardEvent): void;
    /**
     * Handle menu opened event
     */
    onMenuOpened(): void;
    /**
     * Handle menu closed event
     */
    onMenuClosed(): void;
    /**
     * Handle animation end
     */
    onAnimationEnd(event: AnimationEvent): void;
    /**
     * Close this menu and all child menus
     */
    closeMenu(): void;
    /**
     * Computed CSS classes for the menu
     */
    menuClass: () => string;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownMenuBarContentComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DropdownMenuBarContentComponent, "st-dropdown-menu-bar-content", ["menuBarContent"], { "class": { "alias": "class"; "required": false; "isSignal": true; }; "size": { "alias": "size"; "required": false; "isSignal": true; }; "shadow": { "alias": "shadow"; "required": false; "isSignal": true; }; }, { "opened": "opened"; "closed": "closed"; }, never, ["*"], true, never>;
}
export {};