import { EventEmitter, TemplateRef, InjectionToken } from '@angular/core';
import { MenuPositionX, MenuPositionY } from './menu-positions';
import { FocusOrigin } from '@angular/cdk/a11y';
import { OuiMenuContent } from './menu-content';
/**
 * Injection token used to provide the parent menu to menu-specific components.
 *
 * @docs-private
 */
export declare const OUI_MENU_PANEL: InjectionToken<OuiMenuPanel<any>>;
/**
 * Interface for a custom menu panel that can be used with `ouiMenuTriggerFor`.
 *
 * @docs-private
 */
export interface OuiMenuPanel<T = any> {
    xPosition: MenuPositionX;
    yPosition: MenuPositionY;
    overlapTrigger: boolean;
    templateRef: TemplateRef<any>;
    close: EventEmitter<void | 'click' | 'keydown' | 'tab'>;
    parentMenu?: OuiMenuPanel | undefined;
    focusFirstItem: (origin?: FocusOrigin) => void;
    resetActiveItem: () => void;
    setPositionClasses?: (x: MenuPositionX, y: MenuPositionY) => void;
    lazyContent?: OuiMenuContent;
    addItem?: (item: T) => void;
    hasBackdrop?: boolean;
    backdropClass?: string;
    removeItem?: (item: T) => void;
}
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