void delete() throws IOException {
		for (SubMemoryBlock subBlock : subBlocks) {
			subBlock.delete();
		}
		adapter.deleteMemoryBlock(this);
		invalidate();
	}
Get collection of blocks which map onto this block.

@return collection of blocks which map onto this block or null if none identified
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/MemoryBlockDB.java