@property<EOL><INDENT>def _is_strictly_monotonic_decreasing(self):<DEDENT>
return self.is_unique and self.is_monotonic_decreasing<EOL>
Return if the index is strictly monotonic decreasing
(only decreasing) values.

Examples
--------
>>> Index([3, 2, 1])._is_strictly_monotonic_decreasing
True
>>> Index([3, 2, 2])._is_strictly_monotonic_decreasing
False
>>> Index([3, 1, 2])._is_strictly_monotonic_decreasing
False