@Override
      public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) {
        super.visitMethodCallExpression(call);
        PsiExpression qualifier = ExpressionUtils.getEffectiveQualifier(call.getMethodExpression());
        if (qualifier instanceof PsiQualifiedExpression) {
          leak = true;
          stopWalking();
        }
      }
@Override
      public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call)