import { HistoricalPricing } from '@refinitiv-data/types';
export declare const THREE_MINS_MS: number;
export declare const COLLECT_DATETIME = "COLLECT_DATETIME";
export declare abstract class BlendingServiceImpl implements HistoricalPricing.TimeSeries.Blending.BlendingService {
    protected ric?: string;
    protected blendingEntry?: HistoricalPricing.TimeSeries.Classes.TsTable;
    protected isCompletedFlag: boolean;
    protected attemptCount: number;
    protected stateService: HistoricalPricing.TimeSeries.Services.RicStateService;
    protected qos: HistoricalPricing.TimeSeries.Blending.QoS;
    ServiceInitialized: boolean;
    onComplete: HistoricalPricing.TimeSeries.Blending.TsiEvent<HistoricalPricing.TimeSeries.Blending.BlendingService, HistoricalPricing.TimeSeries.Blending.BlendingCompleteArgs>;
    onRetry: HistoricalPricing.TimeSeries.Blending.TsiEvent<HistoricalPricing.TimeSeries.Blending.BlendingService, HistoricalPricing.TimeSeries.Blending.BlendingRetryArgs>;
    constructor(stateService: HistoricalPricing.TimeSeries.Services.RicStateService);
    init(ric: string, blendingEntry: HistoricalPricing.TimeSeries.Classes.TsTable, qos?: HistoricalPricing.TimeSeries.Blending.QoS): void;
    protected attempt(): void;
    abstract blend(): void;
    isCompleted(): boolean;
    protected _isMarketClosed(): boolean | null;
    protected _getStreamingCollectDatetime(): Date | null;
    dispose(): void;
}