Formatter_PrettyImplState uses a bslma allocator.
Formatter_PrettyImplState
bslma
Declared in <balxml_formatter_prettyimpl.h>
<balxml_formatter_prettyimpl.h>
operator BloombergLP::bslmf::NestedTraitDeclaration<Formatter_PrettyImplState, UsesBslmaAllocator>() const;