https://clang.llvm.org/doxygen/structclang_1_1ast__matchers_1_1dynamic_1_1internal_1_1BuildReturnTypeVector_3_01ast__matchers_1cc40eb1dccb7d8196b0826e998b27b9e.html
clang: clang::ast_matchers::dynamic::internal::BuildReturnTypeVector...
clangastmatchersdynamicinternal