Return the nested trait declaration for bslmf::IsBitwiseMoveable.
Declared in <bslstl_unorderedset.h>
operator BloombergLP::bslmf::NestedTraitDeclaration<unordered_set, IsBitwiseMoveable, ::BloombergLP::bslmf::IsBitwiseMoveable<HashTable>::value>() const;
nested trait declaration tag