boolean (PsiMethod ctor) { if (ctor == null || !ctor.isConstructor() || !ctor.getModifierList().hasExplicitModifier(PsiModifier.PUBLIC)) return false; PsiParameterList list = ctor.getParameterList(); if (list.getParametersCount() != 1) return false; PsiType type = Objects.requireNonNull(list.getParameter(0)).getType(); PsiClass aClass = PsiUtil.resolveClassInClassTypeOnly(type); return aClass != null && (CommonClassNames.JAVA_UTIL_COLLECTION.equals(aClass.getQualifiedName()) || CommonClassNames.JAVA_UTIL_MAP.equals(aClass.getQualifiedName())); }