the canonic way to disallow copy construction and assignment of an object
is to declare unimplemented methods for them taking const references.
(cherry picked from commit 0fabc9a7be629ca150e83b5b69dc5e44b4b2a476)
Conflicts:
cppuhelper/inc/cppuhelper/propertysetmixin.hxx
Change-Id: I7332d6eedaaf208f64cfe421983171ba436a4050