'Sets the subsection visibility to the given value.'

@subsection_visibility.setter
def subsection_visibility(self, value):

    self.ensure_staff_lock_visible()
    self.find_css((('input[name=content-visibility][value=' + value) + ']')).click()
    EmptyPromise((lambda : (value == self.subsection_visibility)), 'Subsection    visibility    is    updated').fulfill()
