# Multiple levels of nested messages
Arrays[3] array_of_arrays
BoundedSequences[3] array_of_bounded_sequences
UnboundedSequences[3] array_of_unbounded_sequences
Arrays[<=3] bounded_sequence_of_arrays
BoundedSequences[<=3] bounded_sequence_of_bounded_sequences
UnboundedSequences[<=3] bounded_sequence_of_unbounded_sequences
Arrays[] unbounded_sequence_of_arrays
BoundedSequences[] unbounded_sequence_of_bounded_sequences
UnboundedSequences[] unbounded_sequence_of_unbounded_sequences