var {{ stub_var }} = LINKER.upcallStub(LOOKUP.bind(this, "{{ handle_name }}",
MethodType.methodType({{ method_type_params }})),
FunctionDescriptor.of({{ func_descriptor_params }}),
Arena.global());
vtable.set(ValueLayout.ADDRESS, offset, {{ stub_var }});
offset += ValueLayout.ADDRESS.byteSize();