public string GetString()
        {
            if (_tokenType == BinaryTokenType.Null)
            {
                return(null);
            }

            if (TokenType != BinaryTokenType.Bytes)
            {
                throw ThrowHelper.GetInvalidOperationException_ExpectedString(TokenType);
            }

            ReadOnlySpan <byte> span = ValueSpan;

            return(BinaryReaderHelper.TranscodeHelper(span));
        }