gistfile1.txt

Ext.define('MyApp.overrides.util.Observable', {
    override: 'Ext.util.Observable',
    requires: [
        'Ext.mixin.Observable'
    ],
    statics: {
        capture: function(o, fn, scope) {
            Ext.mixin.Observable.capture(o, fn, scope);
        },
        releaseCapture: function(o) {
            Ext.mixin.Observable.releaseCapture(o);
        }
    }
});