static CppCompositeType createJ1_struct(VxtManager vxtManager, boolean is64Bit,
			CppCompositeType I1_struct, CppCompositeType I2_struct, CppCompositeType E_struct,
			CppCompositeType C_struct) {
		return is64Bit ? createJ1_struct64(vxtManager, I1_struct, I2_struct, E_struct, C_struct)
				: createJ1_struct32(vxtManager, I1_struct, I2_struct, 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