Lucene.Net.Queries.TermsFilter.ToString C# (CSharp) Method

        public override string ToString()
        {
            var builder = new StringBuilder();
            var spare = new BytesRef(termsBytes);
            bool first = true;
            for (int i = 0; i < termsAndFields.Length; i++)
            {
                TermsAndField current = termsAndFields[i];
                for (int j = current.start; j < current.end; j++)
                {
                    spare.Offset = offsets[j];
                    spare.Length = offsets[j + 1] - offsets[j];
                    if (!first)
                    {
                        builder.Append(' ');
                    }
                    first = false;
                    builder.Append(current.field).Append(':');
                    builder.Append(spare.Utf8ToString());
                }
            }

            return builder.ToString();
        }