import { HttpClient } from '@angular/common/http';
import * as i0 from "@angular/core";
export declare class IconRegisterService {
    private readonly httpClient;
    private defaultIconPrefix;
    private readonly doc;
    constructor(document: Document, httpClient: HttpClient);
    getDefaultIconPrefix(): string;
    replaceDefaultIconPrefix(prefix: string): void;
    registerSvgSymbolsByUrl(url: string): void;
    registerSvgSymbolsByString(str: string): void;
    private appendSvg;
    static ɵfac: i0.ɵɵFactoryDeclaration<IconRegisterService, [{ optional: true; }, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IconRegisterService>;
}