@Override
      public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
        if (containsCallOnOtherInstance) {
          return;
        }
        super.visitMethodCallExpression(expression);
        final PsiReferenceExpression methodExpression = expression.getMethodExpression();
        final PsiExpression qualifier = methodExpression.getQualifierExpression();
        if (qualifier == null || qualifier instanceof PsiThisExpression) {
          return;
        }
        final PsiMethod method = expression.resolveMethod();
        if (method == null) {
          return;
        }
        final PsiClass containingClass = method.getContainingClass();
        if (aClass.equals(containingClass)) {
          containsCallOnOtherInstance = true;
        }
      }
@Override
      public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression)