https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/mapreduce/lib/input/FileInputFormat.Counter.html
FileInputFormat.Counter (Hadoop 1.2.1 API)
counterhadoopapi
https://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/FileInputFormat.Counter.html
FileInputFormat.Counter (Apache Hadoop Main 3.5.0 API)
declaration: package: org.apache.hadoop.mapred, class: FileInputFormat, enum: Counter
apache hadoopcountermainapi
https://hadoop.apache.org/docs/r2.7.1/api/org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html
FileInputFormat (Apache Hadoop Main 2.7.1 API)
apache hadoopmainapi