code: def _maybe_compress(self):
      if self._compression_type != self.CODEC_NONE:
          self._assert_has_codec(self._compression_type)
          header_size = self.HEADER_STRUCT.size
          data = bytes(self._buffer[header_size:])
          if self._compression_type == self.CODEC_GZIP:
              compressed = gzip_encode(data)
          elif self._compression_type == self.CODEC_SNAPPY:
              compressed = snappy_encode(data)
          elif self._compression_type == self.CODEC_LZ4:
              compressed = lz4_encode(data)
          elif self._compression_type == self.CODEC_ZSTD:
              compressed = zstd_encode(data)
          compressed_size = len(compressed)
          if len(data) <= compressed_size:
              # We did not get any benefit from compression, lets send
              # uncompressed
              return False
          else:
              # Trim bytearray to the required size
              needed_size = header_size + compressed_size
              del self._buffer[needed_size:]
              self._buffer[header_size:needed_size] = compressed
              return True
      return False
  
imports: import struct
  import time
  from kafka.record.abc import ABCRecord, ABCRecordBatch, ABCRecordBatchBuilder
  from kafka.record.util import decode_varint, encode_varint, calc_crc32c, size_of_varint
  from kafka.errors import CorruptRecordException, UnsupportedCodecError
  from kafka.codec import gzip_encode, snappy_encode, lz4_encode, zstd_encode, gzip_decode, snappy_decode, lz4_decode, zstd_decode
  import kafka.codec
label_desc: Use image node_id 5 for calling the DefaultRecordBatchBuilder obj's underlying member method code with example usage: obj._maybe_compress() and returns: False, False, True