def finalize_builder(tc)
      tc.build_operation[:builder].finalize(
        tc.build_operation.merge(
          command_status: tc.thread.value,
          tc: tc))
    end
def finalize_builder(tc)
      tc.build_operation[:builder].finalize(
        tc.build_operation.merge(
          command_status: tc.thread.value,
          tc: tc))
    end
Call a builder's #finalize method after a ThreadedCommand terminates.

 @param tc [ThreadedCommand]
   The ThreadedCommand returned from the builder's #run method.

 @return [String, false]
   Result of Builder#finalize.