private static String getExpectedStructL() {
		String expected =
		//@formatter:off
			"""
			/LNS::L
			pack()
			Structure LNS::L {
			   0   LNS::L   32      "Self Base"
			   32   A1NS::A1   16      "Virtual Base"
			}
			Length: 48 Alignment: 8
			/A1NS::A1
			pack()
			Structure A1NS::A1 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   a1   ""
			}
			Length: 16 Alignment: 8
			/JNS::J/!internal/JNS::J
			pack()
			Structure JNS::J {
			   0   pointer   8   {vbptr}   ""
			   8   int   4   j   ""
			}
			Length: 16 Alignment: 8
			/KNS::K/!internal/KNS::K
			pack()
			Structure KNS::K {
			   0   JNS::J   16      "Base"
			   16   int   4   k   ""
			}
			Length: 24 Alignment: 8
			/LNS::L/!internal/LNS::L
			pack()
			Structure LNS::L {
			   0   KNS::K   24      "Base"
			   24   int   4   l   ""
			}
			Length: 32 Alignment: 8""";
		//@formatter:on
		return expected;
	}
Class to create the cvf4 64-bit program and mock PDB.
<p>
This class implementation is not complete... expected results need codified
Ghidra/Features/PDB/src/test/java/ghidra/app/util/pdb/Cfb464ProgramCreator.java