diff --git a/lib/class-factory.js b/lib/class-factory.js
index e3d914b..de530fe 100644
--- a/lib/class-factory.js
+++ b/lib/class-factory.js
@@ -186,39 +186,94 @@ class ClassFactory {
   _make (name, getClassHandle, env) {
     const C = makeClassWrapperConstructor();
     const proto = Object.create(Wrapper.prototype, {
-      $n: {
+      [Symbol.for('n')]: {
         value: name
       },
-      $C: {
+      $n: {
+        get () {
+          return this[Symbol.for('n')];
+        }
+      },
+      [Symbol.for('C')]: {
         value: C
       },
-      $w: {
+      $C: {
+        get () {
+          return this[Symbol.for('C')];
+        }
+      },
+      [Symbol.for('w')]: {
         value: null,
         writable: true
       },
-      $_s: {
+      $w: {
+        get () {
+          return this[Symbol.for('w')];
+        },
+        set (val) {
+          this[Symbol.for('w')] = val;
+        }
+      },
+      [Symbol.for('_s')]: {
         writable: true
       },
-      $c: {
+      $_s: {
+        get () {
+          return this[Symbol.for('_s')];
+        },
+        set (val) {
+          this[Symbol.for('_s')] = val;
+        }
+      },
+      [Symbol.for('c')]: {
         value: [null]
       },
-      $m: {
+      $c: {
+        get () {
+          return this[Symbol.for('c')];
+        }
+      },
+      [Symbol.for('m')]: {
         value: new Map()
       },
-      $l: {
+      $m: {
+        get () {
+          return this[Symbol.for('m')];
+        }
+      },
+      [Symbol.for('l')]: {
         value: null,
         writable: true
       },
-      $gch: {
+      $l: {
+        get () {
+          return this[Symbol.for('l')];
+        },
+        set (val) {
+          this[Symbol.for('l')] = val;
+        }
+      },
+      [Symbol.for('gch')]: {
         value: getClassHandle
       },
-      $f: {
+      $gch: {
+        get () {
+          return this[Symbol.for('gch')];
+        }
+      },
+      [Symbol.for('f')]: {
         value: this
+      },
+      $f: {
+        get () {
+          return this[Symbol.for('f')];
+        }
       }
     });
     C.prototype = proto;
 
     const classWrapper = new C(null);
+    proto[Symbol.for('w')] = classWrapper;
     proto.$w = classWrapper;
 
     const h = classWrapper.$borrowClassHandle(env);
@@ -809,14 +864,20 @@ wrapperHandler = {
 };
 
 Object.defineProperties(Wrapper.prototype, {
-  $new: {
-    enumerable: true,
+  [Symbol.for('new')]: {
+    enumerable: false,
     get () {
       return this.$getCtor('allocAndInit');
     }
   },
-  $alloc: {
+  $new: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('new')];
+    }
+  },
+  [Symbol.for('alloc')]: {
+    enumerable: false,
     value () {
       const env = vm.getEnv();
       const h = this.$borrowClassHandle(env);
@@ -829,14 +890,26 @@ Object.defineProperties(Wrapper.prototype, {
       }
     }
   },
-  $init: {
+  $alloc: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('$alloc')];
+    }
+  },
+  [Symbol.for('init')]: {
+    enumerable: false,
     get () {
       return this.$getCtor('initOnly');
     }
   },
-  $dispose: {
+  $init: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('init')];
+    }
+  },
+  [Symbol.for('dispose')]: {
+    enumerable: false,
     value () {
       const ref = this.$r;
       if (ref !== null) {
@@ -849,14 +922,26 @@ Object.defineProperties(Wrapper.prototype, {
       }
     }
   },
-  $clone: {
+  $dispose: {
+    enumerable: true,
+    get () {
+      return this[Symbol.for('dispose')];
+    }
+  },
+  [Symbol.for('clone')]: {
+    enumerable: false,
     value (env) {
       const C = this.$C;
       return new C(this.$h, this.$t, env);
     }
   },
-  class: {
-    enumerable: true,
+  $clone: {
+    value (env) {
+      return this[Symbol.for('clone')](env);
+    }
+  },
+  [Symbol.for('class')]: {
+    enumerable: false,
     get () {
       const env = vm.getEnv();
       const h = this.$borrowClassHandle(env);
@@ -868,8 +953,14 @@ Object.defineProperties(Wrapper.prototype, {
       }
     }
   },
-  $className: {
+  class: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('class')];
+    }
+  },
+  [Symbol.for('className')]: {
+    enumerable: false,
     get () {
       const handle = this.$h;
       if (handle === null) {
@@ -879,22 +970,41 @@ Object.defineProperties(Wrapper.prototype, {
       return vm.getEnv().getObjectClassName(handle);
     }
   },
-  $ownMembers: {
+  $className: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('className')];
+    }
+  },
+  [Symbol.for('ownMembers')]: {
+    enumerable: false,
     get () {
       const model = this.$l;
       return model.list();
     }
   },
-  $super: {
+  $ownMembers: {
     enumerable: true,
+    get () {
+      return this[Symbol.for('ownMembers')];
+    }
+  },
+  [Symbol.for('super')]: {
+    enumerable: false,
     get () {
       const env = vm.getEnv();
       const C = this.$s.$C;
       return new C(this.$h, STRATEGY_DIRECT, env);
     }
   },
-  $s: {
+  $super: {
+    enumerable: true,
+    get () {
+      return this[Symbol.for('super')];
+    }
+  },
+  [Symbol.for('s')]: {
+    enumerable: false,
     get () {
       const proto = Object.getPrototypeOf(this);
 
@@ -934,13 +1044,25 @@ Object.defineProperties(Wrapper.prototype, {
       return superWrapper;
     }
   },
-  $isSameObject: {
+  $s: {
+    get () {
+      return this[Symbol.for('s')];
+    }
+  },
+  [Symbol.for('isSameObject')]: {
+    enumerable: false,
     value (obj) {
       const env = vm.getEnv();
       return env.isSameObject(obj.$h, this.$h);
     }
   },
-  $getCtor: {
+  $isSameObject: {
+    value (obj) {
+      return this[Symbol.for('isSameObject')](obj);
+    }
+  },
+  [Symbol.for('getCtor')]: {
+    enumerable: false,
     value (type) {
       const slot = this.$c;
 
@@ -959,7 +1081,13 @@ Object.defineProperties(Wrapper.prototype, {
       return ctor[type];
     }
   },
-  $borrowClassHandle: {
+  $getCtor: {
+    value (type) {
+      return this[Symbol.for('getCtor')](type);
+    }
+  },
+  [Symbol.for('borrowClassHandle')]: {
+    enumerable: false,
     value (env) {
       const className = this.$n;
       const classHandles = this.$f._classHandles;
@@ -973,7 +1101,13 @@ Object.defineProperties(Wrapper.prototype, {
       return handle.ref();
     }
   },
-  $copyClassHandle: {
+  $borrowClassHandle: {
+    value (env) {
+      return this[Symbol.for('borrowClassHandle')](env);
+    }
+  },
+  [Symbol.for('copyClassHandle')]: {
+    enumerable: false,
     value (env) {
       const h = this.$borrowClassHandle(env);
       try {
@@ -983,7 +1117,13 @@ Object.defineProperties(Wrapper.prototype, {
       }
     }
   },
-  $getHandle: {
+  $copyClassHandle: {
+    value (env) {
+      return this[Symbol.for('copyClassHandle')](env);
+    }
+  },
+  [Symbol.for('getHandle')]: {
+    enumerable: false,
     value (env) {
       const handle = this.$h;
 
@@ -996,7 +1136,13 @@ Object.defineProperties(Wrapper.prototype, {
       return handle;
     }
   },
-  $list: {
+  $getHandle: {
+    value (env) {
+      return this[Symbol.for('getHandle')](env);
+    }
+  },
+  [Symbol.for('list')]: {
+    enumerable: false,
     value () {
       const superWrapper = this.$s;
       const superMembers = (superWrapper !== null) ? superWrapper.$list() : [];
@@ -1005,7 +1151,13 @@ Object.defineProperties(Wrapper.prototype, {
       return Array.from(new Set(superMembers.concat(model.list())));
     }
   },
-  $has: {
+  $list: {
+    get () {
+      return this[Symbol.for('list')];
+    }
+  },
+  [Symbol.for('has')]: {
+    enumerable: false,
     value (member) {
       const members = this.$m;
       if (members.has(member)) {
@@ -1025,7 +1177,13 @@ Object.defineProperties(Wrapper.prototype, {
       return false;
     }
   },
-  $find: {
+  $has: {
+    value (member) {
+      return this[Symbol.for('has')](member);
+    }
+  },
+  [Symbol.for('find')]: {
+    enumerable: false,
     value (member) {
       const members = this.$m;
 
@@ -1056,7 +1214,13 @@ Object.defineProperties(Wrapper.prototype, {
       return null;
     }
   },
-  toJSON: {
+  $find: {
+    value (member) {
+      return this[Symbol.for('find')](member);
+    }
+  },
+  [Symbol.for('toJSON')]: {
+    enumerable: false,
     value () {
       const wrapperName = this.$n;
 
@@ -1072,6 +1236,11 @@ Object.defineProperties(Wrapper.prototype, {
 
       return `<instance: ${wrapperName}, $className: ${actualName}>`;
     }
+  },
+  toJSON: {
+    get () {
+      return this[Symbol.for('toJSON')];
+    }
   }
 });