import { Layout, Plot } from './interfaces';
import { Observable } from 'rxjs';
import { PlotsService } from './server/plots/plots.service';
/**
 * Plots the given data with the given layout. This function
 * starts a server if one is not already running.
 * @param data
 * @param layout
 * @param cb
 */
export declare function plot(data: Plot[] | Observable<Plot[]>, layout?: Layout): Promise<PlotsService>;
export declare function clear(): void;