PsiElement (PsiElement decl, Locator location) { final VirtualFile virtualFile = RngSchemaValidator.findVirtualFile(location.getSystemId()); if (virtualFile == null) { return decl; } final Project project = decl.getProject(); final PsiFile file = PsiManager.getInstance(project).findFile(virtualFile); if (file == null) { return decl; } return AstLoadingFilter.forceAllowTreeLoading(file, () -> getDeclarationImpl(project, decl, location, file)); }