import { ConfigurableFocusTrapFactory } from '@angular/cdk/a11y';
import { ElementRef, EventEmitter, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { DialogButtons } from '../modal.types';
import * as i0 from "@angular/core";
export interface DialogEvent<T = any> {
    original: Event | undefined;
    payload: T | undefined;
}
export declare class NggvDialogComponent implements OnInit, OnDestroy {
    private renderer;
    private ref;
    private configurableFocusTrapFactory;
    private configurableFocusTrap;
    dialogRef: ElementRef | undefined;
    /** Special property used for selecting DOM elements during automated UI testing. */
    thook: string | null | undefined;
    /** @internal */
    baseClass: boolean;
    /** @internal Defines the default visibility state of the dialog. */
    private _shown;
    set shown(value: boolean);
    get shown(): boolean;
    /** @internal */
    get ariaHidden(): boolean;
    /** Defines the default visibility state of the dialog. */
    initiallyShown: boolean;
    /** Sets modal heading. Will be translated (using transloco) if the string matches a cms key. */
    heading: string;
    /**
     * Sets modal title. Will be translated (using transloco) if the string matches a cms key.
     * @deprecated - use heading instead.
     */
    title: string;
    /** Sets content body and can contain html code. The content body can also be set by nesting children to the dialog tag. */
    content?: string;
    /** Defines if dialog should close on action. */
    autoClose: boolean;
    /** An array of event payloads that will be added to every click context menu item click. */
    payload: any;
    dialogTitleId: string;
    /** Pass the null if you don't want dialog body to be announced by the screen reader */
    dialogBodyId: string | null;
    /** It gives an ability for parent component to control if modal should be closed on esc button click. */
    closeModalOnEscape: boolean;
    /** Aria label for the Close button with "X" icon, in the header */
    closeButtonAriaLabel?: string;
    _buttons: DialogButtons | undefined;
    /** Buttons are defined as a key-value pair where key is one of "positive|neutral|negative" and value is the button label. */
    set buttons(buttons: DialogButtons);
    nggvCloseEvent: EventEmitter<DialogEvent<any>>;
    nggvPositiveEvent: EventEmitter<DialogEvent<any>>;
    nggvNeutralEvent: EventEmitter<DialogEvent<any>>;
    nggvNegativeEvent: EventEmitter<DialogEvent<any>>;
    nggvDangerEvent: EventEmitter<DialogEvent<any>>;
    protected _previous: HTMLElement | undefined;
    protected _firstFocusable: HTMLElement | undefined;
    protected _lastFocusable: HTMLElement | undefined;
    constructor(renderer: Renderer2, ref: ElementRef<HTMLElement>, configurableFocusTrapFactory: ConfigurableFocusTrapFactory);
    ngOnInit(): void;
    onAction(event: Event, action: string): void;
    open(opener?: HTMLElement): boolean;
    protected _limitFocusable(): void;
    close(event?: Event, initiator?: string): void;
    focusTrap(event: KeyboardEvent): void;
    private hideOverflow;
    private resetOverflow;
    private enableFocusTrap;
    private disableFocusTrap;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NggvDialogComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NggvDialogComponent, "nggv-dialog", ["dialog"], { "thook": { "alias": "thook"; "required": false; }; "shown": { "alias": "shown"; "required": false; }; "initiallyShown": { "alias": "initiallyShown"; "required": false; }; "heading": { "alias": "heading"; "required": false; }; "title": { "alias": "title"; "required": false; }; "content": { "alias": "content"; "required": false; }; "autoClose": { "alias": "autoClose"; "required": false; }; "payload": { "alias": "payload"; "required": false; }; "dialogTitleId": { "alias": "dialogTitleId"; "required": false; }; "dialogBodyId": { "alias": "dialogBodyId"; "required": false; }; "closeModalOnEscape": { "alias": "closeModalOnEscape"; "required": false; }; "closeButtonAriaLabel": { "alias": "closeButtonAriaLabel"; "required": false; }; "buttons": { "alias": "buttons"; "required": false; }; }, { "nggvCloseEvent": "nggvCloseEvent"; "nggvPositiveEvent": "nggvPositiveEvent"; "nggvNeutralEvent": "nggvNeutralEvent"; "nggvNegativeEvent": "nggvNegativeEvent"; "nggvDangerEvent": "nggvDangerEvent"; }, never, ["*"], false, never>;
}