def __neg__(self):
    'Negate unary operator\n\n        Example:\n            >>> node = createNode("transform")\n            >>> node["visibility"] = 1\n            >>> -node["visibility"]\n            -1\n\n        '
    return (- self.read())
Negate unary operator

Example:
    >>> node = createNode("transform")
    >>> node["visibility"] = 1
    >>> -node["visibility"]
    -1
def __neg__(self):
    'Negate unary operator\n\n        Example:\n            >>> node = createNode("transform")\n            >>> node["visibility"] = 1\n            >>> -node["visibility"]\n            -1\n\n        '
    return (- self.read())