Prevent monkey patching

This doesn't affect globals (describe, it, expect, etc). Those belong to
the user and Jasmine doesn't depend on them.

lib/jasmine-core/jasmine-html.js

@@ -50,10 +50,16 @@ const getJasmineHtmlRequireObj = (function() {
     private$.FailuresView = htmlRequire.FailuresView(j$, private$);
     private$.PerformanceView = htmlRequire.PerformanceView(j$, private$);
     private$.TabBar = htmlRequire.TabBar(j$, private$);
-    j$.HtmlReporterV2Urls = htmlRequire.HtmlReporterV2Urls(j$, private$);
-    j$.HtmlReporterV2 = htmlRequire.HtmlReporterV2(j$, private$);
-    j$.QueryString = htmlRequire.QueryString();
     private$.HtmlSpecFilterV2 = htmlRequire.HtmlSpecFilterV2();
+
+    for (const k of ['HtmlReporterV2Urls', 'HtmlReporterV2', 'QueryString']) {
+      Object.defineProperty(j$, k, {
+        enumerable: true,
+        configurable: false,
+        writable: false,
+        value: htmlRequire[k](j$, private$)
+      });
+    }
   };
 
   return getJasmineHtmlRequire;
@@ -101,6 +107,7 @@ getJasmineHtmlRequireObj().QueryString = function() {
      */
     constructor(options) {
       this.#getWindowLocation = options.getWindowLocation;
+      Object.freeze(this);
     }
 
     /**
@@ -168,6 +175,7 @@ getJasmineHtmlRequireObj().QueryString = function() {
     return '?' + qStrPairs.join('&');
   }
 
+  Object.freeze(QueryString.prototype);
   return QueryString;
 };
 
@@ -772,6 +780,8 @@ getJasmineHtmlRequireObj().HtmlReporterV2 = function(j$, private$) {
       );
       this.#container.appendChild(this.#htmlReporterMain);
       this.#failures.show();
+
+      Object.freeze(this);
     }
 
     jasmineStarted(options) {
@@ -949,6 +959,7 @@ getJasmineHtmlRequireObj().HtmlReporterV2 = function(j$, private$) {
     }
   }
 
+  Object.freeze(HtmlReporterV2.prototype);
   return HtmlReporterV2;
 };
 
@@ -972,6 +983,8 @@ getJasmineHtmlRequireObj().HtmlReporterV2Urls = function(j$, private$) {
             return window.location;
           }
         });
+
+      Object.freeze(this);
     }
 
     /**
@@ -1022,6 +1035,7 @@ getJasmineHtmlRequireObj().HtmlReporterV2Urls = function(j$, private$) {
     }
   }
 
+  Object.freeze(HtmlReporterV2Urls.prototype);
   return HtmlReporterV2Urls;
 };