getListTag method
Implementation
@visibleForTesting
String getListTag(DeltaInsertOp op) {
if (op.isOrderedList()) return _options.orderedListTag.toString();
if (op.isBulletList()) return _options.bulletListTag.toString();
if (op.isCheckedList()) return _options.bulletListTag.toString();
if (op.isUncheckedList()) return _options.bulletListTag.toString();
return '';
}