boolean (PsiClass aClass) { PsiMethod[] constructors = aClass.getConstructors(); if (constructors.length == 0) return true; for (PsiMethod constructor : constructors) { PsiParameterList parameterList = constructor.getParameterList(); PsiParameter[] parameters = parameterList.getParameters(); if (parameters.length == 0) return true; final PsiParameter first = parameters[0]; if (InheritanceUtil.isInheritor(first.getType(), CommonClassNames.JAVA_UTIL_MAP)) return true; if (first instanceof GrParameter && ((GrParameter)first).getTypeGroovy() == null) return true; //if constructor has only optional parameters it can be used as default constructor with map args if (!PsiUtil.isConstructorHasRequiredParameters(constructor)) return true; } return false; }