import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { FormattedDataSet } from '@mtna/data-core-ui/public_api';
import { MtnaLogger } from '@mtna/lib-ui';
import { SelectParameters, TabulationParameters } from '../models/index';
import { RdsApiService } from './rds-api.service';
export declare class RdsQueryService {
    protected apiService: RdsApiService;
    protected http: HttpClient;
    protected logger: MtnaLogger;
    /** base url for the query service */
    protected get QUERY_URL(): string;
    /** url for the selected data product */
    protected get DATA_PRODUCT_URL(): string;
    protected _countCache: Map<string, number>;
    protected _selectCache: Map<string, any>;
    protected _tabulateCache: Map<string, any>;
    constructor(apiService: RdsApiService, http: HttpClient, logger: MtnaLogger);
    /**
     * Get record count. Runs a query to count the records of the specified data product.
     * @remarks This method uses caching, returns a cold observable.
     * @param refresh forces a cache refresh, will fetch a new value from the API. Defaults to false.
     * @returns the count of records for the `RdsApiService`'s selected data product
     */
    count(refresh?: boolean): Observable<number>;
    /**
     * Returns the select results. This can be in a different shape based on the `format` parameter.
     * By default it will return a {@link SimplifiedDataSet}, which is the equivalent of using `format=mtna_simple`.
     * A `format=MTNA` will return a {@link DataSet}.
     *
     * Valid format parameters are: amcharts, gcharts, mtna, mtna_simpl,
     * plotly_area, plotly_bar, plotly_boxplot, plotly_bubble, plotly_hist, plotly_h_bar, plotly_h_hist, plotly_line,
     * plotly_pie, plotly_scatter, plotly_ts
     *
     * @remarks This method uses caching, returns a cold observable.
     * @param params various select parameters
     * @param refresh forces a cache refresh, will fetch a new value from the API. Defaults to false.
     * @returns record level mircodata for the `RdsApiService`'s selected data product
     */
    select<DS extends FormattedDataSet>(params: SelectParameters, refresh?: boolean): Observable<DS>;
    /**
     * Returns the tabulation results. This can be in a different shape based on the `format` parameter.
     * By default it will return a {@link SimplifiedDataSet}, which is the equivalent of using `format=mtna_simple`.
     * A `format=MTNA` will return a {@link DataSet}.
     *
     * Valid format parameters are: amcharts, gcharts, mtna, mtna_simpl,
     * plotly_area, plotly_bar, plotly_boxplot, plotly_bubble, plotly_hist, plotly_h_bar, plotly_h_hist, plotly_line,
     * plotly_pie, plotly_scatter, plotly_ts
     *
     * @remarks This method uses caching, returns a cold observable.
     * @param params various tabulation parameters
     * @param refresh forces a cache refresh, will fetch a new value from the API. Defaults to false.
     * @returns The result will be an extension of a FormattedDataSet. This is based on the `format` parameter.
     * By default it will return a {@link SimplifiedDataSet}
     */
    tabulate<DS extends FormattedDataSet>(params: TabulationParameters, refresh?: boolean): Observable<DS>;
    /**
     * Combines the ID of the `RdsApiService`'s selected catalog and data product to be used as a cache map key.
     * @returns map key for a specific catalog and data product
     */
    private _getCatalogDataProductMapKey;
}