/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { Direction, Directionality } from '@angular/cdk/bidi';
import { AfterContentInit, AfterViewInit, ChangeDetectorRef, ElementRef, OnChanges, OnDestroy, OnInit, Renderer2, SimpleChanges } from '@angular/core';
import { VtsConfigKey, VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { BooleanInput } from '@ui-vts-kit/ng-vts/core/types';
import * as i0 from "@angular/core";
type VtsLegacyButtonType = 'primary' | 'default' | 'link' | 'text' | null;
export type VtsButtonType = VtsLegacyButtonType;
export type VtsButtonShape = 'circle' | 'rounded' | 'square';
export type VtsButtonSize = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export declare class VtsButtonComponent implements OnDestroy, OnChanges, AfterViewInit, AfterContentInit, OnInit {
    private elementRef;
    private cdr;
    private renderer;
    vtsConfigService: VtsConfigService;
    private directionality;
    readonly _vtsModuleName: VtsConfigKey;
    static ngAcceptInputType_vtsBlock: BooleanInput;
    static ngAcceptInputType_vtsLoading: BooleanInput;
    static ngAcceptInputType_disabled: BooleanInput;
    vtsIconDirectiveElement: ElementRef;
    vtsBlock: boolean;
    vtsLoading: boolean;
    disabled: boolean;
    tabIndex: number | string | null;
    vtsType: VtsButtonType;
    vtsShape: VtsButtonShape;
    vtsSize: VtsButtonSize;
    dir: Direction;
    private destroy$;
    private loading$;
    insertSpan(nodes: NodeList, renderer: Renderer2): void;
    assertIconOnly(element: HTMLButtonElement, renderer: Renderer2): void;
    constructor(elementRef: ElementRef, cdr: ChangeDetectorRef, renderer: Renderer2, vtsConfigService: VtsConfigService, directionality: Directionality);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsButtonComponent, [null, null, null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsButtonComponent, "button[vts-button], a[vts-button]", ["vtsButton"], { "vtsBlock": { "alias": "vtsBlock"; "required": false; }; "vtsLoading": { "alias": "vtsLoading"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "vtsType": { "alias": "vtsType"; "required": false; }; "vtsShape": { "alias": "vtsShape"; "required": false; }; "vtsSize": { "alias": "vtsSize"; "required": false; }; }, {}, ["vtsIconDirectiveElement"], ["*"], false, never>;
}
export {};