These are input formats in hadoop.
CombineFileInputFormat,
CombineSequenceFileInputFormat,
CombineTextInputFormat,
CompositeInputFormat,
DBInputFormat,
FileInputFormat,
FixedLengthInputFormat,
KeyValueTextInputFormat,
MultiFileInputFormat,
NLineInputFormat,
Parser.Node,
SequenceFileAsBinaryInputFormat,
SequenceFileAsTextInputFormat,
SequenceFileInputFilter,
SequenceFileInputFormat,
TextInputFormat