CodeQL library for C/C++
codeql/cpp-all 1.1.0 (changelog, source)

Member predicate Decltype::internal_getAnAdditionalSpecifier

Internal – should be protected when QL supports such a flag. Subtypes override this to recursively get specifiers that are not attached directly to this @type in the database but arise through type aliases such as typedef and decltype.

Specifier internal_getAnAdditionalSpecifier()