LLDB  mainline

LanguageRuntime → Language Relation

File in llvm-project/lldb/source/Plugins/LanguageRuntimeIncludes file in llvm-project/lldb/source/Plugins/Language
ObjC / AppleObjCRuntime / AppleObjCRuntime.cppObjC / NSString.h
ObjC / AppleObjCRuntime / AppleObjCTypeEncodingParser.hObjC / ObjCConstants.h