docs: function Container(parent) {
        this.parent = parent;
        this.children = [];
  
        this.resolver = parent && parent.resolver || function() {};
  
        this.registry       = dictionary(parent ? parent.registry : null);
        this.cache          = dictionary(parent ? parent.cache : null);
        this.factoryCache   = dictionary(parent ? parent.factoryCache : null);
        this.resolveCache   = dictionary(parent ? parent.resolveCache : null);
        this.typeInjections = dictionary(parent ? parent.typeInjections : null);
        this.injections     = dictionary(null);
        this.normalizeCache = dictionary(null);
  
        this.factoryTypeInjections = dictionary(parent ? parent.factoryTypeInjections : null);
        this.factoryInjections     = dictionary(null);
  
        this._options     = dictionary(parent ? parent._options : null);
        this._typeOptions = dictionary(parent ? parent._typeOptions : null);
      }