ValidationInfo () { final String text = getEnteredName(); if (!GroovyNamesUtil.isIdentifier(text)) { return new ValidationInfo(GroovyRefactoringBundle.message("name.is.wrong", text), myNameSuggestionsField); } if (myTypeComboBox.isClosureSelected()) { final Ref<ValidationInfo> info = new Ref<>(); for (Object2IntMap.Entry<JCheckBox> entry : toRemoveCBs.object2IntEntrySet()) { if (!entry.getKey().isSelected()) { continue; } final GrParameter param = myInfo.getToReplaceIn().getParameters()[entry.getIntValue()]; final ParameterInfo pinfo = findParamByOldName(param.getName()); if (pinfo == null || !pinfo.passAsParameter) { continue; } final String message = GroovyRefactoringBundle .message("you.cannot.pass.as.parameter.0.because.you.remove.1.from.base.method", pinfo.getName(), param.getName()); info.set(new ValidationInfo(message)); break; } if (info.get() != null) { return info.get(); } } return null; }