MemoryBlockDB createBitMappedBlock(String name, Address startAddress, long length,
			Address mappedAddress, int flags) throws IOException, AddressOverflowException {
		return createMappedBlock(V3_SUB_TYPE_BIT_MAPPED, name, startAddress, length, mappedAddress,
			flags, 0);
	}
MemoryMap adapter for version 3.
This version introduces the concept of sub memory blocks and FileBytes
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/MemoryMapDBAdapterV3.java