parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileWriter.java
public void start() throws IOException {
    state = state.start();
    LOG.debug("{}: start", out.getPos());
    out.write(MAGIC);
  }
public void start() throws IOException {
    state = state.start();
    LOG.debug("{}: start", out.getPos());
    out.write(MAGIC);
  }
public void start ( ) throws IOException { state = state . start ( ) ; LOG . debug ( "{}: start" , out . getPos ( ) ) ; out . write ( MAGIC ) ; }
start the file
@throws IOException if there is an error while writing
start the file