BloombergLP::bdlf::Bind_BoundTuple4::operator BloombergLP::bslmf::NestedTraitDeclaration<Bind_BoundTuple4, IsBitwiseMoveable, bslmf::IsBitwiseMoveable<A1>::value && bslmf::IsBitwiseMoveable<A2>::value && bslmf::IsBitwiseMoveable<A3>::value && bslmf::IsBitwiseMoveable<A4>::value>

Bind_BoundTuple4 is bitwise moveable when all arguments are.