import { AfterViewInit, TemplateRef } from '@angular/core';
import { ICoreTreeReferenceMetaSeat, ICoreTreeReferenceNode } from '../core-tree-reference/core-tree-reference.component';
import { CoreFormControlBaseComponent } from '../core-form-control-base/core-form-control-base.component';
import { DomService } from '../services/dom.service';
import * as i0 from "@angular/core";
export declare class CoreTreeReferenceDropdownComponent extends CoreFormControlBaseComponent implements AfterViewInit {
    $data: import("@angular/core").InputSignal<readonly ICoreTreeReferenceNode[]>;
    $itemTemplateRef: import("@angular/core").InputSignal<TemplateRef<any> | undefined>;
    $loading: import("@angular/core").InputSignal<boolean>;
    $rootType: import("@angular/core").InputSignal<"O" | "S">;
    $selectionType: import("@angular/core").InputSignal<"O" | "S" | "NONE">;
    $showSeatsInMeta: import("@angular/core").InputSignal<boolean>;
    $allowsSelectRootLevel: import("@angular/core").InputSignal<boolean>;
    displayNameChange: import("@angular/core").OutputEmitterRef<string | null>;
    $displayName: import("@angular/core").WritableSignal<string | null>;
    $open: import("@angular/core").WritableSignal<boolean>;
    $popupZIndex: import("@angular/core").WritableSignal<number>;
    private elRef;
    private destroyClickOutside?;
    domService: DomService;
    constructor();
    onPopupToggle(): void;
    onSelected(e: ICoreTreeReferenceNode | ICoreTreeReferenceMetaSeat): void;
    onNgModelChange(e: any): void;
    clear(e: MouseEvent): void;
    ngAfterViewInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CoreTreeReferenceDropdownComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CoreTreeReferenceDropdownComponent, "core-tree-reference-dropdown", never, { "$data": { "alias": "$data"; "required": true; "isSignal": true; }; "$itemTemplateRef": { "alias": "$itemTemplateRef"; "required": false; "isSignal": true; }; "$loading": { "alias": "$loading"; "required": false; "isSignal": true; }; "$rootType": { "alias": "$rootType"; "required": false; "isSignal": true; }; "$selectionType": { "alias": "$selectionType"; "required": false; "isSignal": true; }; "$showSeatsInMeta": { "alias": "$showSeatsInMeta"; "required": false; "isSignal": true; }; "$allowsSelectRootLevel": { "alias": "$allowsSelectRootLevel"; "required": false; "isSignal": true; }; }, { "displayNameChange": "displayNameChange"; }, never, never, true, never>;
}