code: private Statements createSequencesStatements(Iterable<Sequence> sequences) {
  		Statements statements = new Statements();
  		for ( Sequence sequence : sequences ) {
  			addSequence( statements, sequence );
  		}
  		return statements;
  	}
docs: Adds a node for each generator of type {@link IdSourceType#SEQUENCE}. Table-based generators are created lazily
  at runtime.
  
  @param sequences the generators to process