toggleList = SelectorEngine.find(SELECTOR_DATA_TOGGLE)\n\n    for (const elem of toggleList) {\n      const selector = SelectorEngine.getSelectorFromElement(elem)\n      const filterElement = SelectorEngine.find(selector)\n        .filter(foundElement => foundElement === this._element)\n\n      if (selector !== null && filterElement.length) {\n        this._triggerArray.push(elem)\n      }\n    }\n\n    this._initializeChildren()\n\n    if (!this._config.parent) {\n      this._addAriaAndCollapsedCl...

        C filtered = filter(unfiltered, EVEN);
        List<Integer> foundElements = new ArrayList<>();
        filtered.forEach(
            (Integer i) -> {
              assertTrue("Unexpected element: " + i, EVEN.apply(i));
              foundElements.add(i);
            });
        assertEquals(ImmutableList.copyOf(filtered), foundElements);
      }
    }
  }