def supports_coordinate_types_for_conversion(self, source_coordinate_type=None, target_coordinate_type=None):
Tests if a given coordinate type for conversion is supported.

        arg:    source_coordinate_type (osid.type.Type): the type of the
                source coordinate
        arg:    target_coordinate_type (osid.type.Type): the type of the
                target coordinate
        return: (boolean) - ``true`` if the given source and target
                conversion is supported, ``false`` otherwise
        raise:  NullArgument - ``source_coordinate_type`` or
                ``target_coordinate_type`` is ``null``
        *compliance: mandatory -- This method must be implemented.*