.type(new PathArgumentType(conf).acceptSystemIn().verifyExists().verifyCanRead())
.help("Local URI or HDFS URI of a UTF-8 encoded file containing a list of HDFS URIs to ingest, " +
"one URI per line in the file. If '-' is specified, URIs are read from the standard input. " +
"Multiple --input-file-list arguments can be specified.");
Argument inputFormatArg = indexerArgGroup.addArgument("--input-file-format")
.metavar("FQCN")
.type(String.class)
.help("The Hadoop FileInputFormat to use for extracting data from splittable HDFS files. Can be a "
+ "fully qualified Java class name or one of ['text', 'avro', 'avroParquet']. If this option "
+ "is present the extraction phase will emit a series of input data records rather than a series "