# File lib/snmp/varbind.rb, line 530
        def decode_value(data)
            value_tag, value_data, remainder = decode_tlv(data)
            decoder_class = ValueDecoderMap[value_tag]
            if decoder_class
                value = decoder_class.decode(value_data)
            else
               raise UnsupportedValueTag, value_tag.to_s
            end
            return value, remainder
        end