code: public Observable<DatabaseVulnerabilityAssessmentScansExportInner> exportAsync(String resourceGroupName, String serverName, String databaseName, String scanId) {
          return exportWithServiceResponseAsync(resourceGroupName, serverName, databaseName, scanId).map(new Func1<ServiceResponse<DatabaseVulnerabilityAssessmentScansExportInner>, DatabaseVulnerabilityAssessmentScansExportInner>() {
              @Override
              public DatabaseVulnerabilityAssessmentScansExportInner call(ServiceResponse<DatabaseVulnerabilityAssessmentScansExportInner> response) {
                  return response.body();
              }
          });
      }
docs: Convert an existing scan result to a human readable format. If already exists nothing happens.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server.
  @param databaseName The name of the scanned database.
  @param scanId The vulnerability assessment scan Id.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DatabaseVulnerabilityAssessmentScansExportInner object