@abc.abstractmethod<EOL><INDENT>def set_extrapolated(self, extrapolated):<DEDENT>
pass<EOL>
Sets the extrapolated flag.

        :param extrapolated: the new extrapolated flag
        :type extrapolated: ``boolean``
        :raise: ``InvalidArgument`` -- ``extrapolated`` is invalid
        :raise: ``NoAccess`` -- ``Metadata.isReadOnly()`` is ``true``

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