Cram2Bam.Params cram2BamParams = new Cram2Bam.Params();
Bam2Cram.Params bam2CramParams = new Bam2Cram.Params();
CramIndexer.Params indexParams = new CramIndexer.Params();
Merge.Params mergeParams = new Merge.Params();
jc.addCommand(CRAM2BAM_COMMAND, cram2BamParams);
jc.addCommand(BAM2CRAM_COMMAND, bam2CramParams);
jc.addCommand(INDEX_COMMAND, indexParams);
jc.addCommand(MERGE_COMMAND, mergeParams);
jc.parse(args);