@Override
	public byte getByte(Address addr) throws MemoryAccessException {
		checkValid();
		long offset = getBlockOffset(addr);
		return getByte(offset);
	}
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