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;
}[]>

Return details of given inbound messages.