Method lookup

github-actions/browserstack/set-browserstack-env.js:1132–1135

* @param {Uint8Array} key * @return {any}

(key)

         * @return {any}
         */
        lookup(key) {
          var _a, _b, _c;
          return (_c = (_b = (_a = this.node) == null ? void 0 : _a.search(key)) == null ? void 0 : _b.value) != null ? _c : null;
        }
      };
      var tree = new TernarySearchTree();
      for (let i = 0; i < wellknownHeaderNames.length; ++i) {