org.apache.flink.hadoopcompatibility.mapred org.apache.flink.hadoopcompatibility.mapred.example org.apache.flink.hadoopcompatibility.mapred.record org.apache.flink.hadoopcompatibility.mapred.record.datatypes org.apache.flink.hadoopcompatibility.mapred.record.example org.apache.flink.hadoopcompatibility.mapred.wrapper org.apache.flink.hadoopcompatibility.mapreduce.example