@Parameter(names = "--sample_name",
description = "Optionally specifies the sample name.")
public String sampleName;
protected FastqMetadata getMetadata() {
return new FastqMetadata()
.setLibraryName(libraryName)
.setPlatformName(platformName)
.setPlatformUnit(platformUnit)
.setReadGroupName(readGroupName)
.setSampleName(sampleName);