import { HttpClient, HttpHeaders, HttpResponse, HttpEvent, HttpParameterCodec, HttpContext } from '@angular/common/http';
import { Observable } from 'rxjs';
import { UserStatisticsAccount } from '../model/userStatistics';
import { Configuration } from '../configuration';
import { StatisticsServiceInterface, GenerateReportRequestParams, GenerateStatisticsRequestParams } from './statisticsServiceInterface';
import * as i0 from "@angular/core";
export declare class StatisticsService implements StatisticsServiceInterface {
    protected httpClient: HttpClient;
    protected basePath: string;
    defaultHeaders: HttpHeaders;
    configuration: Configuration;
    encoder: HttpParameterCodec;
    constructor(httpClient: HttpClient, basePath: string | string[], configuration: Configuration);
    private addToHttpParams;
    private addToHttpParamsRecursive;
    /**
     * Report creating
     * Creating report with usage statistics. If the period is not specified, records are returned from the beginning of the month to the present day (excluding). If no `from` datetime is specified, data are returned from the beginning of the month. If no `to` datetime is specified, data are returned be the the present day (excluding). Empty service and process type fields mean returning statistics for all services and process types.
     * @param requestParameters
     * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
     * @param reportProgress flag to report request and response progress.
     */
    generateReport(requestParameters?: GenerateReportRequestParams, observe?: 'body', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/octet-stream' | 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<string>;
    generateReport(requestParameters?: GenerateReportRequestParams, observe?: 'response', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/octet-stream' | 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<HttpResponse<string>>;
    generateReport(requestParameters?: GenerateReportRequestParams, observe?: 'events', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/octet-stream' | 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<HttpEvent<string>>;
    /**
     * Statistics for the period
     * User statistics for the period. If the period is not specified, the statistics for the current month returns (from the beginning of the month to the present day). If no &#x60;from&#x60; datetime is specified, data are returned from the beginning of the month. If no &#x60;to&#x60; datetime is specified, data are returned be to the present day (excluding). Empty service and process type fields mean returning statistics for all services and process types.
     * @param requestParameters
     * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
     * @param reportProgress flag to report request and response progress.
     */
    generateStatistics(requestParameters?: GenerateStatisticsRequestParams, observe?: 'body', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<UserStatisticsAccount>;
    generateStatistics(requestParameters?: GenerateStatisticsRequestParams, observe?: 'response', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<HttpResponse<UserStatisticsAccount>>;
    generateStatistics(requestParameters?: GenerateStatisticsRequestParams, observe?: 'events', reportProgress?: boolean, options?: {
        httpHeaderAccept?: 'application/json';
        context?: HttpContext;
        transferCache?: boolean;
    }): Observable<HttpEvent<UserStatisticsAccount>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<StatisticsService, [null, { optional: true; }, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<StatisticsService>;
}