Usage: kotlin-dce-js <options> <source files>
where possible options include:
  -output-dir <path>         Output directory
  -keep <fully.qualified.name[,]>
                             List of fully-qualified names of declarations that shouldn't be eliminated
  -help (-h)                 Print a synopsis of standard options
  -X                         Print a synopsis of advanced options
  -version                   Display compiler version
  -verbose                   Enable verbose logging output
  -nowarn                    Generate no warnings
OK