Declare that NothrowMovableWrapper uses the leading-allocator convention when TYPE is allocator-aware.
Declared in <bslalg_nothrowmovablewrapper.h>
operator BloombergLP::bslmf::NestedTraitDeclaration<NothrowMovableWrapper, UsesAllocatorArgT, bslma::UsesBslmaAllocator<TYPE>::value>() const;