final Date startDate = new Date();
this.defaultHeaders.add(new StringHeader(commandLine));
this.defaultHeaders.add(new StringHeader("Started on: " + startDate));
Log.setGlobalLogLevel(VERBOSITY);
final ValidationStringency originalStringency = SAMFileReader.getDefaultValidationStringency();
SAMFileReader.setDefaultValidationStringency(VALIDATION_STRINGENCY);
SamReaderFactory.setDefaultValidationStringency(VALIDATION_STRINGENCY);
BlockCompressedOutputStream.setDefaultCompressionLevel(COMPRESSION_LEVEL);
if (MAX_RECORDS_IN_RAM != null) {