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    migrate_to_new_account: TxDescriptor<
        {
            asset1: { interior: XcmV5Junctions; parents: number };
            asset2: { interior: XcmV5Junctions; parents: number };
        },
    >

    Migrates an existing pool to a new account ID derivation method for a given asset pair. If the migration is successful, transaction fees are refunded to the caller.

    Must be signed.