docs: def getIncludedInBuilds(self):
          """Get all :class:`rtcclient.models.IncludedInBuild` objects that
          have already included this workitem
  
          WARNING: If one of the IncludedInBuilds is removed or cannot be
          retrieved/found correctly, then 404 error will be raised.
  
          :return: a :class:`list` contains all the
              :class:`rtcclient.models.IncludedInBuild` objects
          :rtype: list
          """
  
          build_tag = ("rtc_cm:com.ibm.team.build.linktype.includedWorkItems."
                       "com.ibm.team.build.common.link.includedInBuilds")
          return self.rtc_obj._get_paged_resources("IncludedInBuild",
                                                   workitem_id=self.identifier,
                                                   customized_attr=build_tag,
                                                   page_size="5")