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    Type Alias generate_ancestry_proof

    generate_ancestry_proof: RuntimeDescriptor<
        [prev_block_number: number, best_known_block_number: number | undefined],
        ResultPayload<
            {
                items: [bigint, FixedSizeBinary<32>][];
                leaf_count: bigint;
                prev_leaf_count: bigint;
                prev_peaks: FixedSizeBinary<32>[];
            },
            MmrPrimitivesError,
        >,
    >

    Generates a proof that the prev_block_number is part of the canonical chain at best_known_block_number.