boolean (@NotNull GrReferenceElement<? extends GroovyPsiElement> refElement) { final PsiElement qualifier = refElement.getQualifier(); if (qualifier != null) { final Boolean preserveQualifier = qualifier.getCopyableUserData(PRESERVE_QUALIFIER); if (preserveQualifier != null && !preserveQualifier) { refElement.setQualifier(null); return true; } } return false; }