code: public DataSink<T> write(FileOutputFormat<T> outputFormat, String filePath) {
  		Preconditions.checkNotNull(filePath, "File path must not be null.");
  		Preconditions.checkNotNull(outputFormat, "Output format must not be null.");
  
  		outputFormat.setOutputFilePath(new Path(filePath));
  		return output(outputFormat);
  	}
docs: Writes a DataSet using a {@link FileOutputFormat} to a specified location.
  This method adds a data sink to the program.
  
  @param outputFormat The FileOutputFormat to write the DataSet.
  @param filePath The path to the location where the DataSet is written.
  @return The DataSink that writes the DataSet.
  
  @see FileOutputFormat