query_account_balances: RuntimeDescriptor<
    [account: SS58String],
    ResultPayload<
        XcmVersionedAssets,
        Enum<
            {
                AmountToBalanceConversionFailed: undefined;
                AssetIdConversionFailed: undefined;
            },
        >,
    >,
>

Returns the list of all [Asset] that an AccountId has.