code: public ParquetWriter<Group> getWriter(int blockSize, Path stagingFile)
        throws IOException {
      State state = this.destination.getProperties();
      int pageSize = state.getPropAsInt(getProperty(WRITER_PARQUET_PAGE_SIZE), DEFAULT_PAGE_SIZE);
      int dictPageSize = state.getPropAsInt(getProperty(WRITER_PARQUET_DICTIONARY_PAGE_SIZE), DEFAULT_BLOCK_SIZE);
      boolean enableDictionary =
          state.getPropAsBoolean(getProperty(WRITER_PARQUET_DICTIONARY), DEFAULT_IS_DICTIONARY_ENABLED);
      boolean validate = state.getPropAsBoolean(getProperty(WRITER_PARQUET_VALIDATE), DEFAULT_IS_VALIDATING_ENABLED);
      String rootURI = state.getProp(WRITER_FILE_SYSTEM_URI, LOCAL_FS_URI);
      Path absoluteStagingFile = new Path(rootURI, stagingFile);
      CompressionCodecName codec = getCodecFromConfig();
      GroupWriteSupport support = new GroupWriteSupport();
      Configuration conf = new Configuration();
      GroupWriteSupport.setSchema(this.schema, conf);
      ParquetProperties.WriterVersion writerVersion = getWriterVersion();
      return new ParquetWriter<>(absoluteStagingFile, support, codec, blockSize, pageSize, dictPageSize, enableDictionary,
          validate, writerVersion, conf);
    }
docs: Build a {@link ParquetWriter<Group>} for given file path with a block size.
  @param blockSize
  @param stagingFile
  @return
  @throws IOException