@Override
    public void writeString(int fieldNumber, CharSequence value, boolean repeated) throws IOException
    {
        tail = writeUTF8VarDelimited(
                value,
                this,
                writeRawVarInt32(makeTag(fieldNumber, WIRETYPE_LENGTH_DELIMITED), this, tail));
    }
Resets this output for re-use.
protostuff-core/src/main/java/io/protostuff/ProtobufOutput.java