Get a list of issue link type Resources from the server.

        :rtype: List[IssueLinkType]

def issue_link_types(self):
        """Get a list of issue link type Resources from the server.

        :rtype: List[IssueLinkType]
        """
        r_json = self._get_json('issueLinkType')
        link_types = [IssueLinkType(self._options, self._session, raw_link_json) for raw_link_json in
                      r_json['issueLinkTypes']]
        return link_types