Antlr4.Tool.Rule.GetAnyLabelDef C# (CSharp) Method

        public virtual LabelElementPair GetAnyLabelDef(string x)
        {
            IList<LabelElementPair> labels;
            if (GetElementLabelDefs().TryGetValue(x, out labels) && labels != null)
                return labels[0];

            return null;
        }