code: public Observable<Project> updateProjectAsync(UUID projectId, Project updatedProject) {
          return updateProjectWithServiceResponseAsync(projectId, updatedProject).map(new Func1<ServiceResponse<Project>, Project>() {
              @Override
              public Project call(ServiceResponse<Project> response) {
                  return response.body();
              }
          });
      }
docs: Update a specific project.
  
  @param projectId The id of the project to update
  @param updatedProject The updated project model
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the Project object