code: public static <K, V> HadoopInputFormat<K, V> createHadoopInput(org.apache.hadoop.mapred.InputFormat<K, V> mapredInputFormat, Class<K> key, Class<V> value, JobConf job) {
  		return new HadoopInputFormat<>(mapredInputFormat, key, value, job);
  	}
docs: Creates a Flink {@link InputFormat} that wraps the given Hadoop {@link org.apache.hadoop.mapred.InputFormat}.
  
  @return A Flink InputFormat that wraps the Hadoop InputFormat.