/src/main/java/org/htmlunit/html/HtmlForm.java
if ( !( isValidForSubmission( element, submitElement) ) ) {   return false; }
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} return super.isValid(); } Collection<SubmittableElement> getSubmittableElements(final SubmittableElement submitElement) { final List<SubmittableElement> submittableElements = new ArrayList<>(); for (final HtmlElement element : getElements()) { <extra_id_0> submittableElements.add((SubmittableElement) element); } } return submittableElements; } private static boolean isValidForSubmission(final HtmlElement element, final SubmittableElement submitElement) {