import { TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * Structural directive to project content into the secondary menu.
 *
 * collapsible is true by default, meaning that the secondary menu will be collapsible.
 *
 * Example without condition:
 *
 * ```html
 * <component-or-element *nxMenuProjection></component-or-element>
 * ```
 *
 * Example with condition:
 *
 * ```html
 * <component-or-element *nxMenuProjection="isProjected"></component-or-element>
 * ```
 *
 * Example with collapsible condition:
 *
 * ```html
 * <component-or-element *nxMenuProjection="isProjected; collapsible: isCollapsible"></component-or-element>
 * ```
 */
export declare class NxMenuProjectionDirective {
    protected templateRef: TemplateRef<any>;
    private viewContainer;
    nxMenuProjection: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    nxMenuProjectionRightPanel: import("@angular/core").InputSignal<boolean>;
    nxMenuProjectionCollapsible: import("@angular/core").InputSignal<boolean>;
    nxMenuProjectionResizable: import("@angular/core").InputSignal<boolean>;
    nxMenuProjectionAutoNavigateSecondaryOnMobile: import("@angular/core").InputSignal<boolean>;
    protected updateProjection: import("@angular/core").EffectRef;
    static ɵfac: i0.ɵɵFactoryDeclaration<NxMenuProjectionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NxMenuProjectionDirective, "[nxMenuProjection]", never, { "nxMenuProjection": { "alias": "nxMenuProjection"; "required": false; "isSignal": true; }; "nxMenuProjectionRightPanel": { "alias": "nxMenuProjectionRightPanel"; "required": false; "isSignal": true; }; "nxMenuProjectionCollapsible": { "alias": "nxMenuProjectionCollapsible"; "required": false; "isSignal": true; }; "nxMenuProjectionResizable": { "alias": "nxMenuProjectionResizable"; "required": false; "isSignal": true; }; "nxMenuProjectionAutoNavigateSecondaryOnMobile": { "alias": "nxMenuProjectionAutoNavigateSecondaryOnMobile"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
