docs: function kill(pid, signal) {
    signal = _.isUndefined(signal) ? 'SIGINT' : signal;
    // process.kill does not recognize many of the well known numeric signals,
    // only by name
    if (_.isFinite(signal) && _.has(signalsMap, signal)) {
      signal = signalsMap[signal];
    }
  
    if (!_.isFinite(pid)) return false;
    try {
      process.kill(pid, signal);
    } catch (e) {
      return false;
    }
    return true;
  }