code: public Observable<Void> validateMoveAsync(String resourceGroupName, CsmMoveResourceEnvelope moveResourceEnvelope) {
          return validateMoveWithServiceResponseAsync(resourceGroupName, moveResourceEnvelope).map(new Func1<ServiceResponse<Void>, Void>() {
              @Override
              public Void call(ServiceResponse<Void> response) {
                  return response.body();
              }
          });
      }
docs: Validate whether a resource can be moved.
  Validate whether a resource can be moved.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param moveResourceEnvelope Object that represents the resource to move.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceResponse} object if successful.