private static String getSpeculatedStructM() {
		String expected =
		//@formatter:off
			"""
			/MNS::M
			pack()
			Structure MNS::M {
			   0   MNS::M   208      "Self Base"
			   208   A1NS::A1   16      "Virtual Base - Speculative Placement"
			   224   A2NS::A2   16      "Virtual Base - Speculative Placement"
			   240   B1NS::B1   16      "Virtual Base - Speculative Placement"
			   256   B2NS::B2   16      "Virtual Base - Speculative Placement"
			   272   BNS::B   24      "Virtual Base - Speculative Placement"
			   296   N1NS::N1   16      "Virtual Base - Speculative Placement"
			   312   N2NS::N2   16      "Virtual Base - Speculative Placement"
			}
			Length: 328 Alignment: 8
			/A1NS::A1
			pack()
			Structure A1NS::A1 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   a1   ""
			}
			Length: 16 Alignment: 8
			/A2NS::A2
			pack()
			Structure A2NS::A2 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   a2   ""
			}
			Length: 16 Alignment: 8
			/ANS::A/!internal/ANS::A
			pack()
			Structure ANS::A {
			   0   pointer   8   {vfptr}   ""
			   8   pointer   8   {vbptr}   ""
			   16   int   4   a   ""
			}
			Length: 24 Alignment: 8
			/B1NS::B1
			pack()
			Structure B1NS::B1 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   b1   ""
			}
			Length: 16 Alignment: 8
			/B2NS::B2
			pack()
			Structure B2NS::B2 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   b2   ""
			}
			Length: 16 Alignment: 8
			/BNS::B/!internal/BNS::B
			pack()
			Structure BNS::B {
			   0   pointer   8   {vfptr}   ""
			   8   pointer   8   {vbptr}   ""
			   16   int   4   b   ""
			}
			Length: 24 Alignment: 8
			/CNS::C/!internal/CNS::C
			pack()
			Structure CNS::C {
			   0   pointer   8   {vfptr}   ""
			   8   pointer   8   {vbptr}   ""
			   16   int   4   c   ""
			}
			Length: 24 Alignment: 8
			/DNS::D/!internal/DNS::D
			pack()
			Structure DNS::D {
			   0   CNS::C   24      "Base"
			   24   ANS::A   24      "Base"
			   48   BNS::B   24      "Base"
			   72   int   4   d   ""
			}
			Length: 80 Alignment: 8
			/ENS::E/!internal/ENS::E
			pack()
			Structure ENS::E {
			   0   ANS::A   24      "Base"
			   24   int   4   e   ""
			}
			Length: 32 Alignment: 8
			/FNS::F/!internal/FNS::F
			pack()
			Structure FNS::F {
			   0   pointer   8   {vbptr}   ""
			   8   int   4   f   ""
			}
			Length: 16 Alignment: 8
			/GNS::G/!internal/GNS::G
			pack()
			Structure GNS::G {
			   0   FNS::F   16      "Base"
			   16   int   4   g   ""
			}
			Length: 24 Alignment: 8
			/HNS::H/!internal/HNS::H
			pack()
			Structure HNS::H {
			   0   FNS::F   16      "Base"
			   16   int   4   h   ""
			}
			Length: 24 Alignment: 8
			/INS::I/!internal/INS::I
			pack()
			Structure INS::I {
			   0   GNS::G   24      "Base"
			   24   HNS::H   24      "Base"
			   48   int   4   i   ""
			}
			Length: 56 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
			/MNS::M/!internal/MNS::M
			pack()
			Structure MNS::M {
			   0   ENS::E   32      "Base"
			   32   DNS::D   80      "Base"
			   112   INS::I   56      "Base"
			   168   LNS::L   32      "Base"
			   200   int   4   m   ""
			}
			Length: 208 Alignment: 8
			/N1NS::N1
			pack()
			Structure N1NS::N1 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   n1   ""
			}
			Length: 16 Alignment: 8
			/N2NS::N2
			pack()
			Structure N2NS::N2 {
			   0   pointer   8   {vfptr}   ""
			   8   int   4   n2   ""
			}
			Length: 16 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