import { Injector, EventEmitter, OnInit } from '@angular/core';
import { DataSourceService } from '../../../core/data-source/data-source.service';
import { DataSource } from '../../../core/data-source/data-source';
import { DataSourceIdentifier } from '../../../core/data-source/data-source-identifier';
import { AppComponentBase } from '../../../../../shared/app-component-base';
export declare class DataSourceComboComponent extends AppComponentBase implements OnInit {
    private readonly dataSourceService;
    private _selectedDataSourceId;
    selectedDataSourceId: DataSourceIdentifier;
    selectedDataSourceIdChange: EventEmitter<DataSourceIdentifier>;
    dataSources: DataSource[];
    loading: boolean;
    constructor(injector: Injector, dataSourceService: DataSourceService);
    ngOnInit(): void;
    compare(x: DataSourceIdentifier, y: DataSourceIdentifier): boolean;
    private contain;
}