import { Observable, Subject } from 'rxjs';
import { ModelEventTarget } from '../../../event';
/**
 * 配置图表选项的angular组件基类
 * 调用该类实例的configSource方法，可以获得图表的配置源
 */
export declare abstract class BaseConfigSourceComponent extends ModelEventTarget {
    option: any;
    protected _subject: Subject<any>;
    readonly config$: Observable<any>;
    /**
     * 新建subject对象
     * 导入图表配置信息
     * notes：import方法需要在configSource前调用
     * @param option
     */
    importOption(option: any): void;
    exportOption(): any;
}