code: public Observable<ServiceResponse<DiagnosticAnalysisInner>> executeSiteAnalysisSlotWithServiceResponseAsync(String resourceGroupName, String siteName, String diagnosticCategory, String analysisName, String slot, DateTime startTime, DateTime endTime, String timeGrain) {
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (siteName == null) {
              throw new IllegalArgumentException("Parameter siteName is required and cannot be null.");
          }
          if (diagnosticCategory == null) {
              throw new IllegalArgumentException("Parameter diagnosticCategory is required and cannot be null.");
          }
          if (analysisName == null) {
              throw new IllegalArgumentException("Parameter analysisName is required and cannot be null.");
          }
          if (slot == null) {
              throw new IllegalArgumentException("Parameter slot is required and cannot be null.");
          }
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          return service.executeSiteAnalysisSlot(resourceGroupName, siteName, diagnosticCategory, analysisName, slot, this.client.subscriptionId(), startTime, endTime, timeGrain, this.client.apiVersion(), this.client.acceptLanguage(), this.client.userAgent())
              .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<DiagnosticAnalysisInner>>>() {
                  @Override
                  public Observable<ServiceResponse<DiagnosticAnalysisInner>> call(Response<ResponseBody> response) {
                      try {
                          ServiceResponse<DiagnosticAnalysisInner> clientResponse = executeSiteAnalysisSlotDelegate(response);
                          return Observable.just(clientResponse);
                      } catch (Throwable t) {
                          return Observable.error(t);
                      }
                  }
              });
      }
docs: Execute Analysis.
  Execute Analysis.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param siteName Site Name
  @param diagnosticCategory Category Name
  @param analysisName Analysis Resource Name
  @param slot Slot Name
  @param startTime Start Time
  @param endTime End Time
  @param timeGrain Time Grain
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DiagnosticAnalysisInner object