init_outbound_group_session_random_length
actual fun init_outbound_group_session_random_length(session: OlmOutboundGroupSessionPointer): ULong
actual fun init_outbound_group_session_random_length(session: OlmOutboundGroupSessionPointer): ULong
expect fun init_outbound_group_session_random_length(session: OlmOutboundGroupSessionPointer): ULong