@SequenceStyle(Type.GENERATED_FIXED_WITH_OPTIONAL_TAIL)
    public static List<SequenceB1a> getSequenceB1aList(final SwiftTagListBlock parentSequence) {
        if (parentSequence != null) {
            final List<SwiftTagListBlock> blocks = parentSequence.getSubBlocksDelimitedWithOptionalTail(SequenceB1a.START, SequenceB1a.END, SequenceB1a.TAIL);
            if (blocks != null && !blocks.isEmpty()) {