def get_minimum_coordinate_values(self, coordinate_type=None):
pass<EOL>
Gets the minimum coordinate values given supported coordinate type.

        arg:    coordinate_type (osid.type.Type): a coordinate Type
        return: (decimal) - the minimum coordinate values
        raise:  IllegalState - syntax is not a ``COORDINATE``
        raise:  NullArgument - ``coordinate_type`` is ``null``
        raise:  Unsupported -
                ``supports_coordinate_type(coordinate_type)`` is
                ``false``
        *compliance: mandatory -- This method must be implemented.*