docs: function (service) {
        let s
        const ns = _.values(this.namespaces)
        if (!ns || !ns.length) {
          return s
        }
  
        for (let i = 0; i < ns.length; i++) {
          const n = ns[i]
          if (n.services[service]) {
            s = n.services[service]
            break
          }
        }
  
        return s
      }