Declare that this type uses a bslma allocator.
bslma
Declared in <bdlsb_overflowmemoutstreambuf.h>
<bdlsb_overflowmemoutstreambuf.h>
operator BloombergLP::bslmf::NestedTraitDeclaration<OverflowMemOutStreamBuf, UsesBslmaAllocator>() const;
nested trait declaration tag