unhandle() {
    if (this.catcher) {
      process.removeListener('uncaughtException', this.catcher);
      this.catcher = false;

      Array.from(this.handlers.values())
        .forEach(wrapper => this.logger.unpipe(wrapper));
    }
  }
Removes any handlers to `uncaughtException` events for the current
process. This does not modify the state of the `this.handlers` set.
@returns {undefined}