claim_rewards: TxDescriptor<
    {
        reward_kind: Enum<
            {
                RococoWestend: {
                    bridged_chain_id: FixedSizeBinary<4>;
                    lane_id: FixedSizeBinary<4>;
                    owner: Enum<{ BridgedChain: undefined; ThisChain: undefined }>;
                };
                Snowbridge: undefined;
            },
        >;
    },
>

Claim accumulated rewards.

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