UpgradeCommand constructor

Implementation

UpgradeCommand() {
  argParser.addFlag(
    'force',
    abbr: 'f',
    help: 'Force upgrade even if already on latest version',
    negatable: false,
  );
  argParser.addFlag(
    'verbose',
    abbr: 'v',
    help: 'Show detailed output during upgrade process',
    negatable: false,
  );
}