import { MatIconRegistry } from '@angular/material';
import { DomSanitizer } from '@angular/platform-browser';
import { Observable } from 'rxjs/Observable';
import { ModelMetaService, ModelMeta } from '../../common';
import { ExtendzApiConfig } from '../models';
export declare class ApiRootService {
    private apiConfig;
    private iconRegistry;
    private sanitizer;
    private modelService;
    constructor(apiConfig: ExtendzApiConfig, iconRegistry: MatIconRegistry, sanitizer: DomSanitizer, modelService: ModelMetaService);
    getRoot(): Observable<ModelMeta[]>;
}