import { HttpBackend } from '@angular/common/http';
import { InjectionToken, RendererFactory2 } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
import { IconDefinition, IconService } from '@ui-vts/icons-angular';
import { VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { VtsSafeAny } from '@ui-vts-kit/ng-vts/core/types';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export interface VtsIconfontOption {
    scriptUrl: string;
}
export declare const VTS_ICONS: InjectionToken<unknown>;
/**
 * It should be a global singleton, otherwise registered icons could not be found.
 */
export declare class VtsIconService extends IconService {
    protected vtsConfigService: VtsConfigService;
    configUpdated$: Subject<void>;
    normalizeSvgElement(svg: SVGElement): void;
    createIconfontIcon(type: string): SVGElement;
    constructor(rendererFactory: RendererFactory2, sanitizer: DomSanitizer, vtsConfigService: VtsConfigService, handler: HttpBackend, _document: VtsSafeAny, icons?: IconDefinition[]);
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsIconService, [null, null, null, { optional: true; }, { optional: true; }, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VtsIconService>;
}
export declare const VTS_ICONS_PATCH: InjectionToken<unknown>;
export declare class VtsIconPatchService {
    private extraIcons;
    private rootIconService;
    patched: boolean;
    constructor(extraIcons: IconDefinition[], rootIconService: VtsIconService);
    doPatch(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsIconPatchService, [{ self: true; }, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VtsIconPatchService>;
}