@abc.abstractmethod<EOL><INDENT>def get_picoseconds(self):<DEDENT>
return<EOL>
Gets the number of picoseconds of the nanosecond 0-999.

        A picosecond is one trillionth of a second.

        :return: the picoseconds of the nanosecond
        :rtype: ``cardinal``


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