boolean (PsiElement element) { VirtualFile virtualFile = PsiUtilCore.getVirtualFile(element); PsiFile containingFile = element.getContainingFile(); return element.getManager().isInProject(element) || ScratchUtil.isScratch(virtualFile) || (containingFile != null && containingFile.getViewProvider().getVirtualFile().getFileSystem() instanceof NonPhysicalFileSystem); }