// Animal base class
var Animal = Fiber.extend(function() {
    return {
        // The `init` method serves as the constructor.
        init: function() {
            // Private
            function private1(){}
            function private2(){}

            // Privileged
            this.privileged1 = function(){}
            this.privileged2 = function(){}
        },
        // Public
        method1: function(){}
    }
});

var animal = new Animal(); // Create a new Animal instance

// Extend the Animal class.
var Dog = Animal.extend(function() {
    return {
        // Override base class `method1`
        method1: function(){
            console.log('dog::method1');
        },
        scare: function(){
            console.log('Dog::I scare you');
        }
    }
});

var husky = new Dog();
husky.scare(); // "Dog::I scare you'"

// Extend the Animal class.
var Dog = Animal.extend(function( base ) {
    return {
        // Override base class `method1`
        method1: function(){
            // Call the parent method
            base.method1.call(this);
        },
        scare: function(){
            console.log('Dog::I scare you');
        }
    }
});

var Foo = Fiber.extend(function(base) {
    return {
        method1: function(){}
    }
});

var f = new Foo();
f.method1();

var mix1 = function(base) {
    return  {
        method2: function() {}
    }
}

Fiber.mixin(Foo, mix1);

f.method2();

function CarWithPowerWindows(base) {
    return {
        roll: function() {}
    }
}

Fiber.decorate(myCar, CarWithPowerWindows);

// Extend the Animal class;
var Dog = Animal.extend(function(base) {
    return {
        init: function() {
            this.base = Fiber.proxy(base, this);
            this.base.init();
        }
    }
});