StatePrinting.OutputFormatters.UnusedReferencesTokenFilter.GetBackreferences C# (CSharp) Method

        public Reference[] GetBackreferences(List<Token> tokens)
        {
            return tokens
                .Where(x => x.Tokenkind == TokenType.SeenBeforeWithReference)
                .Select(x => x.ReferenceNo)
                .Distinct()
                .ToArray();
        }

        public string Print(List<Token> tokens)
        {
            var filter = new UnusedReferencesTokenFilter();
            var backreferences = filter.GetBackreferences(tokens);
            Dictionary<Reference, string> referencePaths = CreatePathsFromReferences(tokens, backreferences);

            return MakeString(tokens, referencePaths);
        }