GLOBAL SCOPE:
    (1,1) -> class MultipleFormals
    (20,1) -> class Main
    CLASS SCOPE OF 'MultipleFormals':
        (3,9) -> function foo : class : MultipleFormals->int->int->int->int
        (7,9) -> function method : class : MultipleFormals->int
        FORMAL SCOPE OF 'foo':
            (3,9) -> variable @this : class : MultipleFormals
            (3,17) -> variable @x : int
            (3,24) -> variable @y : int
            (3,31) -> variable @z : int
            LOCAL SCOPE:
        FORMAL SCOPE OF 'method':
            (7,9) -> variable @this : class : MultipleFormals
            LOCAL SCOPE:
                (8,13) -> variable x : int
                (9,13) -> variable y : int
                (10,13) -> variable z : int
    CLASS SCOPE OF 'Main':
        (21,14) -> static function main : void
        FORMAL SCOPE OF 'main':
            LOCAL SCOPE: