--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/js/declare/override.js	Wed Jun 05 20:44:15 2019 +0300
@@ -0,0 +1,73 @@
+"use strict";
+define([], function () {
+    var slice = Array.prototype.slice;
+    var override = function (method) {
+        var proxy;
+
+        /** @this target object */
+        proxy = function () {
+            var me = this;
+            var inherited = (this.getInherited && this.getInherited(proxy.nom, {
+                callee: proxy
+            })) || function () {};
+
+            return method.apply(me, [function () {
+                return inherited.apply(me, arguments);
+            }].concat(slice.apply(arguments)));
+        };
+
+        proxy.method = method;
+        proxy.overrides = true;
+
+        return proxy;
+    };
+
+    override.before = function (method) {
+        var proxy;
+
+        /** @this target object */
+        proxy = function () {
+            var me = this;
+            var inherited = (this.getInherited && this.getInherited(proxy.nom, {
+                callee: proxy
+            })) || function () {};
+
+
+            method.apply(me, arguments);
+            return inherited.apply(me, arguments);
+        };
+
+        proxy.method = method;
+        proxy.overrides = true;
+
+        return proxy;
+    };
+
+    override.after = function (method) {
+        var proxy;
+
+        /** @this target object */
+        proxy = function () {
+            var me = this;
+            var inherited = (this.getInherited && this.getInherited(proxy.nom, {
+                callee: proxy
+            })) || function () {};
+
+            inherited.apply(me, arguments);
+
+            return method.apply(me, arguments);
+        };
+
+        proxy.method = method;
+        proxy.overrides = true;
+
+        return proxy;
+    };
+
+    override.hide = function (method) {
+        method.overrides = false;
+        return method;
+    };
+
+    return override;
+});
\ No newline at end of file