import { LoadingService, LoadingUpdateArgs } from "../loading/loadingService";
/**
 * MessageBus loading service
 */
export declare class MessageBusLoadingService extends LoadingService {
    /**
     * MessageBus start subjects
     */
    messageBusStartSubjects: string[];
    private _messageBusStartSubjects;
    private _messageBusStartSubjectSubscribed;
    /**
     * MessageBus update subjects
     */
    messageBusUpdateSubjects: string[];
    private _messageBusUpdateSubjects;
    private _messageBusUpdateSubjectSubscribed;
    /**
     * MessageBus finish subjects
     */
    messageBusFinishSubjects: string[];
    private _messageBusFinishSubjects;
    private _messageBusFinishSubjectSubscribed;
    /**
     * On MessageBus start message
     */
    messageBusStartMessageAction: (subject: string, message: any) => void;
    /**
     * MessageBus update message converter
     */
    messageBusUpdateConvertMessage: (subject: string, message: any) => LoadingUpdateArgs;
    /**
     * On MessageBus finish message
     */
    messageBusFinishMessageAction: (subject: string, message: any) => void;
    /**
     * Constructor
     */
    constructor();
    /**
     * On messageBus start message
     */
    private onMessageBusStartMessage;
    /**
     * On messageBus update message
     */
    private onMessageBusUpdateMessage;
    /**
     * On messageBus finish message
     */
    private onMessageBusFinishMessage;
    /**
     * Unsubscribe the start, update and finish subjects
     */
    unsubscribeAllMessages(): void;
}