Method add

src/main/java/fieldbox/execution/JavaSupport.java:825–829

(boolean first, List<T> l, T x)

		} catch (java.lang.reflect.InaccessibleObjectException e) {
			// well, hello jigsaw...
		}
		return object;
	}

	private <T> void add(boolean first, List<T> l, T x) {

		if (first) l.add(0, x);
		else l.add(x);