protected CharBuffer getFirstLineBuffer() {
    CharBuffer buffer = firstLineBuffer.get();
    if (buffer == null) {
      buffer = CharBuffer.allocate(256);
      firstLineBuffer.set(buffer);
    }
    buffer.clear();
    return buffer;
  }
A buffer to read and decode the first line.
geode-memcached/src/main/java/org/apache/geode/internal/memcached/commands/AbstractCommand.java