def foo() {
    <begin>int i = 0
    int j = 1
    while (condition) {
        i = i + 1
        j = i
    }<end>
    return j
}
-----
def foo() {
    int j = testMethod()
    return j
}

private int testMethod() {
    int i = 0
    int j = 1
    while (condition) {
        i = i + 1
        j = i
    }
    return j
}