@abc.abstractmethod<EOL><INDENT>def is_interpolated(self):<DEDENT>
return<EOL>
Tests if this report is interpolated within measured data or known transactions.

        Interpolation may occur if the start or end date fall between
        two known facts or managed time period.

        :return: ``true`` if this report is interpolated, ``false`` otherwise
        :rtype: ``boolean``


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