import { ViewContainerRef, ComponentFactoryResolver, TemplateRef } from '@angular/core';
import { TemplateService } from './template.service';
/**
 * This directive is used internally for two purposes. Firstly, to allow for communication between an instance of [AbstractTableCell]{@link AbstractTableCell} and the `ViewContainer` of the inner `NgContainer` element. Secondly, to dynamically create a `TemplateRef<HTMLInputElement>` that is required by the [AbstractTableCell]{@link AbstractTableCell} instance to [inputify]{@link documentation/injectables/AbstractTableCell.html#source} a table cell
 *
 *  Should only be used in a `<ng-container teAnchor></ng-container>` element, within a `HTMLTableElement`, see [the examples]{@link /demo/#/examples/basic} for for more detail.
 *
 */
export declare class AnchorDirective {
    private cfr;
    /**
     * A promise that is inspected by all instancs of `AnchorDirective` to make sure `InputComponent` is only resolved once [see the constructor ]{@link AnchorDirective#constructor}.
     */
    private static InputTemplateComponentTemplatePromise;
    vc: ViewContainerRef;
    /**
     * A reference to the angular template of `HTMLInputElement`. It becomes available only after `InputTemplateComponentTemplatePromise` has been resolved, which happens when [resolveTemplate]{@link AnchorDirective#resolveTemplate} has been called.
     */
    InputTemplateComponentTemplateRef: TemplateRef<HTMLInputElement>;
    /**
     * A callback function set by instances of [AbstractTableCell directive]{@link AbstractTableCell#constructor} to expose the input element `TemplateRef`.
     * @param  TemplateRef<HTMLInputElement> tpl The `TemplateRef` as extracted from the InputComponent, [see the constructor]{@link AnchorDirective#constructor}.
     */
    private templateSetter;
    constructor(cfr: ComponentFactoryResolver, vc: ViewContainerRef, ts: TemplateService);
    /**
     * Called by instances of [AbstractTableCell directive]{@link AbstractTableCell} to retrieve the `TemplateRef` of the input element.
     */
    resolveTemplate(): Promise<void>;
}