import { AfterContentChecked, ChangeDetectorRef, ElementRef, NgZone, OnChanges, OnDestroy, OnInit, Renderer2, SimpleChanges } from '@angular/core';
import { IconDirective, ThemeType } from '@ant-design/icons-angular';
import { BooleanInput } from 'ngx-wonton/core/types';
import { WtIconPatchService, WtIconService } from './icon.service';
import * as i0 from "@angular/core";
export declare class WtIconDirective extends IconDirective implements OnInit, OnChanges, AfterContentChecked, OnDestroy {
    private readonly ngZone;
    private readonly changeDetectorRef;
    readonly iconService: WtIconService;
    readonly renderer: Renderer2;
    static ngAcceptInputType_nzSpin: BooleanInput;
    cacheClassName: string | null;
    set wtSpin(value: boolean);
    wtRotate: number;
    set wtType(value: string);
    set wtTheme(value: ThemeType);
    set wtTwotoneColor(value: string);
    set wtIconfont(value: string);
    hostClass?: string;
    private readonly el;
    private iconfont?;
    private spin;
    private destroy$;
    constructor(ngZone: NgZone, changeDetectorRef: ChangeDetectorRef, elementRef: ElementRef, iconService: WtIconService, renderer: Renderer2, iconPatch: WtIconPatchService);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnInit(): void;
    /**
     * If custom content is provided, try to normalize SVG elements.
     */
    ngAfterContentChecked(): void;
    ngOnDestroy(): void;
    /**
     * Replacement of `changeIcon` for more modifications.
     */
    private changeIcon2;
    private handleSpin;
    private handleRotate;
    private setClassName;
    private setSVGData;
    static ɵfac: i0.ɵɵFactoryDeclaration<WtIconDirective, [null, null, null, null, null, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<WtIconDirective, "[wt-icon]", ["wtIcon"], { "wtSpin": "wtSpin"; "wtRotate": "wtRotate"; "wtType": "wtType"; "wtTheme": "wtTheme"; "wtTwotoneColor": "wtTwotoneColor"; "wtIconfont": "wtIconfont"; }, {}, never, never, false>;
}