import { TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * DropdownMenuSubContent - Container for submenu items
 */
export declare class DropdownMenuSubContentComponent {
    private readonly menuStack;
    private readonly templateRef;
    get template(): TemplateRef<unknown>;
    /**
     * Custom CSS classes
     */
    class: import("@angular/core").InputSignal<string>;
    /**
     * Size variant
     */
    size: import("@angular/core").InputSignal<"xs" | "sm" | "md" | "lg" | "xl">;
    /**
     * Handle ESC key press
     */
    onEscapeKey(event: KeyboardEvent): void;
    /**
     * Close this menu and all child menus
     */
    closeMenu(): void;
    /**
     * Computed CSS classes for the submenu
     */
    subMenuClass: () => string;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownMenuSubContentComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DropdownMenuSubContentComponent, "st-dropdown-menu-sub-content", ["menuContent"], { "class": { "alias": "class"; "required": false; "isSignal": true; }; "size": { "alias": "size"; "required": false; "isSignal": true; }; }, {}, never, ["*"], true, never>;
}