check_inherents: RuntimeDescriptor<
    [
        block: {
            extrinsics: Binary[];
            header: {
                digest: DigestItem[];
                extrinsics_root: FixedSizeBinary<32>;
                number: number;
                parent_hash: FixedSizeBinary<32>;
                state_root: FixedSizeBinary<32>;
            };
        },
        data: [FixedSizeBinary<8>, Binary][],
    ],
    {
        errors: [FixedSizeBinary<8>, Binary][];
        fatal_error: boolean;
        okay: boolean;
    },
>

Check that the inherents are valid. The inherent data will vary from chain to chain.