@Override
	public boolean isWrite() {
		return (record.getByteValue(MemoryMapDBAdapter.FLAGS_COL) & WRITE) != 0;
	}
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