void (IntroduceParameterData data, UsageInfo[] usages, final MultiMap<PsiElement, @Nls String> conflicts) { final PsiMethod method = data.getMethodToReplaceIn(); final int parametersCount = method.getParameterList().getParametersCount(); for (UsageInfo usage : usages) { final PsiElement element = usage.getElement(); if (element instanceof PsiMethodReferenceExpression && !ApplicationManager.getApplication().isUnitTestMode()) { conflicts.putValue(element, JavaRefactoringBundle.message("expand.method.reference.warning")); } if (!isMethodUsage(usage)) continue; final PsiCall call = RefactoringUtil.getCallExpressionByMethodReference(element); final PsiExpressionList argList = call != null ? call.getArgumentList() : null; if (argList != null) { final int actualParamLength = argList.getExpressionCount(); if ((method.isVarArgs() && actualParamLength + 1 < parametersCount) || (!method.isVarArgs() && actualParamLength < parametersCount)) { conflicts.putValue(call, RefactoringBundle.message("refactoring.introduce.parameter.incomplete.call.less.params", call.getText(), parametersCount, actualParamLength)); } data.getParameterListToRemove().forEach((IntConsumer)paramNum -> { if (paramNum >= actualParamLength) { conflicts.putValue(call, RefactoringBundle.message("refactoring.introduce.parameter.incomplete.call.param.not.found", call.getText(), paramNum, actualParamLength)); } }); } } }