public/javascripts/yui/container/container.js
function (key, handler, obj) {
            var property = this.config[key.toLowerCase()];
            if (property && property.event) {
                return property.event.unsubscribe(handler, obj);
            } else {
                return false;
            }
        }
function (key, handler, obj) {
            var property = this.config[key.toLowerCase()];
            if (property && property.event) {
                return property.event.unsubscribe(handler, obj);
            } else {
                return false;
            }
        }
function ( key , handler , obj ) { var property = this . config [ key . toLowerCase ( ) ] ; if ( property && property . event ) { return property . event . unsubscribe ( handler , obj ) ; } else { return false ; } }
Unsubscribes an external handler from the change event for any
given property.
@method unsubscribeFromConfigEvent
@param {String} key The property name
@param {Function} handler The handler function to use subscribe to
the property's event
@param {Object} obj The Object to use for scoping the event
handler (see CustomEvent documentation)
@return {Boolean} True, if the unsubscription was successful,
otherwise false.
Unsubscribes an external handler from the change event for any given property .