@Override
	protected Comparator<MemoryBlock> createSortComparator(int columnIndex) {
		if (columnIndex == BYTE_SOURCE) {
			return super.createSortComparator(columnIndex);
		}
		return new MemoryMapComparator(columnIndex);
	}
Create a new initialized block based on the given uninitialized block.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/memory/MemoryMapModel.java