import { DialogRef, DialogRole } from '@angular/cdk/dialog';
import { AfterContentChecked, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { ModalHeaderDirective } from './layout/modal-header.component';
import * as i0 from "@angular/core";
export declare abstract class ModalBaseComponent implements OnChanges, AfterContentChecked, OnDestroy {
    protected dialogRef: DialogRef;
    /**
     * Defines a string value that labels the current element.
     */
    ariaLabel?: string;
    /**
     * Identifies the element (or elements) that labels the current element.
     */
    ariaLabelledBy?: string;
    /**
     * Identifies the element (or elements) that describes the object.
     */
    ariaDescribedBy?: string;
    /**
     * The accessibility role for the dialog.
     */
    role?: DialogRole;
    protected contentInitialized: boolean;
    protected header?: ModalHeaderDirective;
    constructor(dialogRef: DialogRef);
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterContentChecked(): void;
    close(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ModalBaseComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ModalBaseComponent, "ng-component", never, { "ariaLabel": "aria-label"; "ariaLabelledBy": "aria-labelledby"; "ariaDescribedBy": "aria-describedby"; "role": "role"; }, {}, ["header"], never, false, never>;
}