static CppCompositeType createH1_struct(VxtManager vxtManager, boolean is64Bit,
			CppCompositeType E_struct, CppCompositeType C_struct) {
		return is64Bit ? createH1_struct64(vxtManager, E_struct, C_struct)
				: createH1_struct32(vxtManager, E_struct, C_struct);
	}
This is not part of the DataTypeManager API... it is only for testing when needing
 to clear results because of another run that creates the same-named types
Ghidra/Features/PDB/src/test/java/ghidra/app/util/pdb/pdbapplicator/CppCompositeTypeTest.java