'The value of `w:spacing/@w:lineRule` as a member of the
:ref:`WdLineSpacing` enumeration. Only the `MULTIPLE`, `EXACTLY`, and
`AT_LEAST` members are used. It is the responsibility of the client
to calculate the use of `SINGLE`, `DOUBLE`, and `MULTIPLE` based on
the value of `w:spacing/@w:line` if that behavior is desired.'

@property
def spacing_lineRule(self):

    spacing = self.spacing
    if (spacing is None):
        return None
    lineRule = spacing.lineRule
    if ((lineRule is None) and (spacing.line is not None)):
        return WD_LINE_SPACING.MULTIPLE
    return lineRule
