GrArgumentList (@Nullable PsiElement methodRef) { if (methodRef == null) return null; if (methodRef instanceof GrEnumConstant) return ((GrEnumConstant)methodRef).getArgumentList(); PsiElement parent = methodRef.getParent(); if (parent instanceof GrCall) { return ((GrCall)parent).getArgumentList(); } if (parent instanceof GrAnonymousClassDefinition) { return ((GrAnonymousClassDefinition)parent).getArgumentListGroovy(); } return null; }