pub unsafe extern "C" fn rd_kafka_conf_interceptor_add_on_conf_set(
    conf: *mut rd_kafka_conf_t,
    ic_name: *const c_char,
    on_conf_set: rd_kafka_interceptor_f_on_conf_set_t,
    ic_opaque: *mut c_void,
) -> rd_kafka_resp_err_t