Interface GroupPeeler<TEnvelope>

interface GroupPeeler<TEnvelope> {
    idOf(envelope: TEnvelope): string;
    peelGroupMessages(
        envelopes: TEnvelope[],
        state: ClientState,
    ): Promise<
        { read: PeeledMessagePair<TEnvelope>[]; unreadable: TEnvelope[] },
    >;
    wrapGroupMessage(
        message: MlsMessage,
        state: ClientState,
    ): Promise<TEnvelope>;
}