code: public ProjectInner update(String groupName, String serviceName, String projectName, ProjectInner parameters) {
          return updateWithServiceResponseAsync(groupName, serviceName, projectName, parameters).toBlocking().single().body();
      }
docs: Update project.
  The project resource is a nested resource representing a stored migration project. The PATCH method updates an existing project.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @param projectName Name of the project
  @param parameters Information about the project
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws ApiErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the ProjectInner object if successful.