#[no_mangle]
pub extern "C" fn pactffi_sync_message_get_response_contents_length(
message: *const SynchronousMessage,
index: size_t
) -> size_t
#[no_mangle]
pub extern "C" fn pactffi_sync_message_get_response_contents_length(
message: *const SynchronousMessage,
index: size_t
) -> size_t