Variable estimateFeeConst

estimateFee: ZodObject<
    {
        destination_fees: ZodArray<
            ZodObject<
                {
                    fwd_fee: ZodNumber;
                    gas_fee: ZodNumber;
                    in_fwd_fee: ZodNumber;
                    storage_fee: ZodNumber;
                },
                $strip,
            >,
        >;
        source_fees: ZodObject<
            {
                fwd_fee: ZodNumber;
                gas_fee: ZodNumber;
                in_fwd_fee: ZodNumber;
                storage_fee: ZodNumber;
            },
            $strip,
        >;
    },
    $strip,
> = ...