code: function BinderHealthChecker (opts) {
    if (!(this instanceof BinderHealthChecker)) {
      return new BinderHealthChecker(opts)
    }
    opts = _.merge(opts, settings)
    BinderHealthChecker.super_.call(this, 'binder-health-checker', ['health'], opts)
    this.logger = getLogger('binder-health-checker')
  
    // db is set in _start
    this.db = null
    this.backgroundTasks = null
  }
docs: /*
  An HTTP server that implements the API of a Binder component
  @constructor