class foo {

    extension foo for X {
        extension foo for X {

        }

        class Bar {}

        fun foo()

        val x

        var f

        type foo = bar

        decomposer (a, b, c)

        this() : this(a, b, c), Foo<T>(bar)
    }

    class Bar {
        extension foo for X {
            class object {

            }

            private class object {

            }

            private class object Fooo {

            }

            private class object Fooo, Bar by foo {

            }

            private class object Fooo, Bar by foo, Goo()
        }

        class Bar {}

        fun foo()

        val x

        var f

        type foo = bar

        decomposer (a, b, c)

        this() : this(a, b, c), Foo<T>(bar)
    }

    fun foo()

    val x

    var f

    type foo = bar

    decomposer (a, b, c)

    this() : this(a, b, c), Foo<T>(bar)

    this() : this(a, b, c), Foo<T>(bar) {

    }

    class object {

    }

    private class object {

    }

    private class object Fooo {

    }

    private class object Fooo, Bar by foo {

    }

    private class object Fooo, Bar by foo, Goo()


}