pub unsafe extern "C" fn aeron_driver_conductor_on_add_spy_subscription(
conductor: *mut aeron_driver_conductor_t,
command: *mut aeron_subscription_command_t,
) -> c_int
pub unsafe extern "C" fn aeron_driver_conductor_on_add_spy_subscription(
conductor: *mut aeron_driver_conductor_t,
command: *mut aeron_subscription_command_t,
) -> c_int