code: public Observable<Page<ProjectInner>> listAsync(final String groupName, final String serviceName) {
          return listWithServiceResponseAsync(groupName, serviceName)
              .map(new Func1<ServiceResponse<Page<ProjectInner>>, Page<ProjectInner>>() {
                  @Override
                  public Page<ProjectInner> call(ServiceResponse<Page<ProjectInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Get projects in a service.
  The project resource is a nested resource representing a stored migration project. This method returns a list of projects owned by a service resource.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;ProjectInner&gt; object