Antlr4.Runtime.DiagnosticErrorListener.ReportAmbiguity C# (CSharp) Method

        public override void ReportAmbiguity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, bool exact, BitSet ambigAlts, ATNConfigSet configs)
        {
            if (exactOnly && !exact)
            {
                return;
            }
            string format = "reportAmbiguity d={0}: ambigAlts={1}, input='{2}'";
            string decision = GetDecisionDescription(recognizer, dfa);
            BitSet conflictingAlts = GetConflictingAlts(ambigAlts, configs);
            string text = ((ITokenStream)recognizer.InputStream).GetText(Interval.Of(startIndex, stopIndex));
            string message = string.Format(format, decision, conflictingAlts, text);
            recognizer.NotifyErrorListeners(message);
        }