@Override
	public int getBytes(Address addr, byte[] b, int off, int len)
			throws IndexOutOfBoundsException, MemoryAccessException {
		checkValid();
		long offset = getBlockOffset(addr);
		return getBytes(offset, b, off, len);
	}
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