private void process() {
    PsiExpression value = myReturnStatement.getReturnValue();
    PsiStatement currentContext = goUp();
    if (currentContext == null) return;
    if (value != null) {
      myExitContext.registerReturnValue(value, myReplacements);
    }
    while (currentContext != null) {
      currentContext = advance(currentContext);
    }
    replace();
  }
private void process()