@abc.abstractmethod<EOL><INDENT>def get_installation_content_form_for_update(self, installation_content_id):<DEDENT>
return<EOL>
Gets the installation content form for updating an existing installation content.

        A new installation content form should be requested for each
        update transaction.

        :param installation_content_id: the ``Id`` of the ``InstallationContent``
        :type installation_content_id: ``osid.id.Id``
        :return: the v content form
        :rtype: ``osid.installation.InstallationContentForm``
        :raise: ``NotFound`` -- ``installation_content_id`` is not found
        :raise: ``NullArgument`` -- ``installation_content_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request

        *compliance: mandatory -- This method must be implemented.*