code: public void deleteIteration(UUID projectId, UUID iterationId) {
          deleteIterationWithServiceResponseAsync(projectId, iterationId).toBlocking().single().body();
      }
docs: Delete a specific iteration of a project.
  
  @param projectId The project id
  @param iterationId The iteration id
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent