import { Signal } from '@lumino/signaling';
import { IProfileListItem } from './IProfileListItem';
import { SparkUIView } from './SparkUI';
export declare class SparkUIComm {
    private _started;
    private _autoStarted;
    private _globalStopped;
    private _stopped;
    private _saved;
    private _errored;
    private _statsChanged;
    private _readySignal;
    private _statsChangedTimeout;
    private api;
    private sparkAppId;
    private sparkUiWebUrl;
    private _view;
    ready: Promise<void>;
    set view(view: SparkUIView);
    constructor();
    get autoStarted(): Signal<this, {
        sparkUiWebUrl: string;
    }>;
    get started(): Signal<this, {
        sparkUiWebUrl: string;
    }>;
    get stopped(): Signal<this, void>;
    get globalStopped(): Signal<this, void>;
    get saved(): Signal<this, void>;
    get errored(): Signal<this, string>;
    get statsChanged(): Signal<this, {
        isActive: boolean;
        activeTasks: number;
        memoryUsed: number;
    }[]>;
    sendSaveProfilesMessage(profilesPayload: IProfileListItem[]): void;
    private send;
    sendStopMessage(): void;
    sendStartMessage(currentProfileName: string, executorMemory: string, masterURL: string, executorCores: string, properties: {
        name: string;
        value: string;
    }[]): void;
    private setApi;
    startStatsChanged(sparkAppId: string, sparkUiWebUrl: string): void;
    private getMetrics;
    stopStatsChanged(): void;
}