private static String getVxtStructR1_00000000() {
		String expected =
		//@formatter:off
			"""
			/R1NS/R1/!internal/VTABLE_00000000
			pack()
			Structure VTABLE_00000000 {
			   0   _func___thiscall_int *   8   R1NS::R1::fp1_1   ""
			   8   _func___thiscall_int_int *   8   R1NS::R1::fp1_2   ""
			   16   _func___thiscall_int *   8   R1NS::R1::fp1_2   ""
			   24   _func___thiscall_int *   8   R1NS::R1::fp2_1   ""
			   32   _func___thiscall_int_int *   8   R1NS::R1::fp2_2   ""
			   40   _func___thiscall_int *   8   R1NS::R1::fp2_2   ""
			}
			Length: 48 Alignment: 8""";
		//@formatter:on
		return expected;
	}
Class to create the vftm 64-bit program and mock PDB
Ghidra/Features/PDB/src/test/java/ghidra/app/util/pdb/Vftm64ProgramCreator.java