void (final PsiJavaFile psiJavaFile, final PsiFile psiFile) { Set<PsiFile> wholeDependencies = myForwardBuilder.getDependencies().get(psiJavaFile); if (wholeDependencies == null) { wholeDependencies = new HashSet<>(); myForwardBuilder.getDependencies().put(psiJavaFile, wholeDependencies); } wholeDependencies.add(psiFile); }