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    force_checkpoint: TxDescriptor<
        {
            update: {
                block_roots_branch: FixedSizeBinary<32>[];
                block_roots_root: FixedSizeBinary<32>;
                current_sync_committee: {
                    aggregate_pubkey: FixedSizeBinary<48>;
                    pubkeys: FixedSizeArray<512, FixedSizeBinary<48>>;
                };
                current_sync_committee_branch: FixedSizeBinary<32>[];
                header: {
                    body_root: FixedSizeBinary<32>;
                    parent_root: FixedSizeBinary<32>;
                    proposer_index: bigint;
                    slot: bigint;
                    state_root: FixedSizeBinary<32>;
                };
                validators_root: FixedSizeBinary<32>;
            };
        },
    >

    Used for pallet initialization and light client resetting. Needs to be called by the root origin.