private static CppCompositeType createJ6_struct(DataTypeManager dtm,
			CppCompositeType A_struct, CppCompositeType CC3_struct, CppCompositeType GG4_struct,
			CppCompositeType CC2_struct, CppCompositeType GG3_struct) throws PdbException {
		String name = "J6";
		CppCompositeType struct = createStruct(dtm, name, 64);
		struct.addDirectBaseClass(A_struct.getComposite(), A_struct, publicDirectAttributes, 0);
		struct.addDirectVirtualBaseClass(GG4_struct.getComposite(), GG4_struct,
			publicDirectAttributes, 8, ClassUtils.VXPTR_TYPE, 2);
		struct.addDirectVirtualBaseClass(GG3_struct.getComposite(), GG3_struct,
			publicDirectAttributes, 8, ClassUtils.VXPTR_TYPE, 4);
		struct.addIndirectVirtualBaseClass(CC3_struct.getComposite(), CC3_struct,
			publicDirectAttributes, 8, ClassUtils.VXPTR_TYPE, 1);
		struct.addIndirectVirtualBaseClass(CC2_struct.getComposite(), CC2_struct,
			publicDirectAttributes, 8, ClassUtils.VXPTR_TYPE, 3);
		struct.addMember("j61", intT, false, publicDirectAttributes, 16, null);
		return struct;
	}
Class to create the egray8 64-bit program and mock PDB.
<p>
This class implementation is not complete... many more classes' expected results need
codified
Ghidra/Features/PDB/src/test/java/ghidra/app/util/pdb/Egray864ProgramCreator.java