Type Alias message_details

message_details: RuntimeDescriptor<
    [
        lane: FixedSizeBinary<4>,
        messages: [
            Binary,
            {
                dispatch_weight: { proof_size: bigint; ref_time: bigint };
                nonce: bigint;
                size: number;
            },
        ][],
    ],
    { proof_size: bigint; ref_time: bigint }[],
>