293       if (auto SourceDC = LookupSameContext(SourceTU, DC, Reverse)) {  in ForEachMatchingDC()  local
295         if (Callback(*Importer, Reverse, SourceDC))  in ForEachMatchingDC()
311                              Source<const DeclContext *> SourceDC) -> bool {  in CompleteType()  argument
312     auto *SourceTag = const_cast<TagDecl *>(cast<TagDecl>(SourceDC.get()));  in CompleteType()
329                      Source<const DeclContext *> SourceDC) -> bool {  in CompleteType()  argument
331             cast<ObjCInterfaceDecl>(SourceDC.get()));  in CompleteType()
350                         Source<const DeclContext *> SourceDC) -> bool {  in CanComplete()  argument
491                         Source<const DeclContext *> SourceDC) -> bool {  in FindExternalVisibleDeclsByName()  argument
498                           SourceDC.get()->lookup(*FromNameOrErr);  in FindExternalVisibleDeclsByName()
532                             Source<const DeclContext *> SourceDC) -> bool {  in FindExternalLexicalDecls()  argument
533     for (const Decl *SourceDecl : SourceDC.get()->decls()) {  in FindExternalLexicalDecls()