docs: function Resolver(root, dot, sep) {
      if (!Is.instance(this, Resolver)) {
          return PKG.Builder(root, dot, sep).get();
      }
  
      this.aliases = {};
      /**
       * Root path.
       *
       * @private
       * @type {string}
       */
       this.root = PKG.ROOT;
      /**
       * Character separator used in path keys.
       *
       * @private
       * @type {string}
       * @default {@link Dotresolver.DOT}
       */
      this.dot = dot || PKG.DOT;
      /**
       * Character separator used in built path.
       *
       * @private
       * @type {string}
       * @default {@link Dotresolver.SEP}
       */
      this.sep = sep || PKG.SEP;
  
      this.setRoot(root);
  }