import type { DataModuleSubscription, DataSource, DataStream, DataStreamQuery, SubscriptionResponse, TimeSeriesData } from './types';
import type { DataStreamsStore, CacheSettings } from './data-cache/types';
import type { TimeSeriesDataRequestSettings, Viewport } from './data-cache/requestTypes';
export declare const DEFAULT_CACHE_SETTINGS: {
    ttlDurationMapping: {
        [x: number]: number;
    };
};
interface IotAppKitDataModuleConfiguration {
    initialDataCache?: DataStreamsStore;
    cacheSettings?: Partial<CacheSettings>;
}
export declare class TimeSeriesDataModule<Query extends DataStreamQuery> {
    private dataCache;
    private subscriptions;
    private dataSourceStore;
    private cacheSettings;
    /**
     * Create a new data module, optionally with a pre-hydrated data cache.
     *
     */
    constructor(dataSource: DataSource<Query>, configuration?: IotAppKitDataModuleConfiguration);
    /**
     * Fulfill query
     *
     * Ensure that all requests are initiated required to fulfill the entire query, from start to end.
     * Takes into account the current state of the cache, to determine which data has already been requested, or has expired
     * segments within the cache.
     */
    private fulfillQueries;
    private getAdjustedViewport;
    getCachedDataStreams: ({ viewport, queries, emitDataStreams, settings, }: {
        viewport: Viewport;
        queries: Query[];
        emitDataStreams: (dataStreams: DataStream[]) => void;
        settings?: TimeSeriesDataRequestSettings;
    }) => Promise<void>;
    subscribeToDataStreams: ({ queries, request }: DataModuleSubscription<Query>, callback: (data: TimeSeriesData) => void) => SubscriptionResponse<Query>;
    private update;
    private registerRequest;
    /**
     * Unsubscribe from the data module.
     *
     * Prevents the provided callbacks associated with the given subscription from being called, and prevents
     * the previously queried data streams from being queried any longer.
     */
    private unsubscribe;
}
export {};
//# sourceMappingURL=TimeSeriesDataModule.d.ts.map