Type Alias disputes

disputes: RuntimeDescriptor<
    [],
    [
        number,
        FixedSizeBinary<32>,
        {
            concluded_at?: number;
            start: number;
            validators_against: { bitsLen: number; bytes: Uint8Array };
            validators_for: { bitsLen: number; bytes: Uint8Array };
        },
    ][],
>