Write a method that works with the class dictionary AspectJFragment2
you developed in an earlier question.

The method needs to analyze an Advice-object and print out
all Variable-objects on the left-hand-side
(before the colon) followed by all Variable-objects on the right-hand-side
(after the colon).

Example: For the input:

after(S s2, T t2, R r2) :
  (call(void crossing_x(..)) 
      && this(s2) 
      && target(t2)
      && ! cflow(this(s))
  ) { } ;

the method needs to produce the output:

left-hand-side: 
s2
t2
r2

right-hand-side:
s2
t2
s


Fill in the UNKNOWN1 below:

int analyzeAdvice(ClassGraph cg) {
  UNKNOWN1
}