@Override
	public final void repack() {
		lock.acquire();
		try {
			checkDeleted();
			repack(false, true);
		}
		finally {
			lock.release();
		}
	}
Get computed alignment and optionally update record.  May only be invoked with
lock acquired.
@param updateRecord if true record should be updated without timestamp change
@return computed alignment
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/CompositeDB.java