public ClickHouseOutputStream writeVarInt(int value) throws IOException {
        return writeUnsignedVarInt(value);
    }
Writes varint into output stream.

@param value varint
@return this output stream
@throws IOException when failed to write value into output stream, not able
                    to sent all bytes, or operate on a closed stream
clickhouse-data/src/main/java/com/clickhouse/data/ClickHouseOutputStream.java