refactor: init cypress-cucumber-preprocessor install.

node_modules/@babel/runtime/helpers/esm/classPrivateFieldSet.js

@@ -0,0 +1,19 @@
+export default function _classPrivateFieldSet(receiver, privateMap, value) {
+  if (!privateMap.has(receiver)) {
+    throw new TypeError("attempted to set private field on non-instance");
+  }
+
+  var descriptor = privateMap.get(receiver);
+
+  if (descriptor.set) {
+    descriptor.set.call(receiver, value);
+  } else {
+    if (!descriptor.writable) {
+      throw new TypeError("attempted to set read only private field");
+    }
+
+    descriptor.value = value;
+  }
+
+  return value;
+}