code: def write(self, data):
      return self._stream.write(data)
  
imports: import struct
  from avro.io import AvroTypeException, BinaryDecoder, BinaryEncoder, DatumReader, DatumWriter, SchemaResolutionException, Validate
label_desc: Use image node_id 4 for calling the FlinkAvroBufferWrapper obj's underlying member method code with example usage: obj.write(data) and returns: self