pub unsafe extern "C" fn duk_instanceof(
ctx: *mut duk_context,
idx1: duk_idx_t,
idx2: duk_idx_t,
) -> duk_bool_tpub unsafe extern "C" fn duk_instanceof(
ctx: *mut duk_context,
idx1: duk_idx_t,
idx2: duk_idx_t,
) -> duk_bool_t