<<< native
[ EDelimited
    "{"
    ""
    [ Right
        (EArray
           [ AlignLeft , AlignLeft ]
           [ [ [ ESub (EMathOperator "div") (EIdentifier "x")
               , EIdentifier "u"
               , ESuper (EMathOperator "div") (EIdentifier "x")
               , EIdentifier "u"
               , ESubsup (EMathOperator "div") (EIdentifier "x") (EIdentifier "y")
               , EIdentifier "u"
               , ESubsup (EMathOperator "div") (EIdentifier "x") (EIdentifier "y")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname" ]
             ]
           , [ [ EUnder
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
               , EIdentifier "u"
               , EOver True (EMathOperator "\8902-lim'sup") (EIdentifier "w")
               , EIdentifier "u"
               , EUnderover
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               , EUnderover
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname*" ]
             ]
           , [ [ ESub
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
               , EIdentifier "u"
               , ESuper (EMathOperator "\8902-lim'sup") (EIdentifier "w")
               , EIdentifier "u"
               , ESubsup
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               , ESubsup
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname*:nolimits" ]
             ]
           , [ [ ESub (EMathOperator "curl") (EIdentifier "x")
               , EIdentifier "v"
               , EUnder True (EMathOperator "argmax") (EIdentifier "K")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "DeclareMathOperator" ]
             ]
           ])
    ]
]
>>> typst
cases(delim: "{", "div"_x u "div"^x u "div"_x^y u "div"_x^y u & upright("operatorname"), "⋆-lim'sup"_(x arrow.r 0) u "⋆-lim'sup"^w u "⋆-lim'sup"_(x arrow.r 0)^w u "⋆-lim'sup"_(x arrow.r 0)^w u & upright("operatorname*"), "⋆-lim'sup"_(x arrow.r 0) u "⋆-lim'sup"^w u "⋆-lim'sup"_(x arrow.r 0)^w u "⋆-lim'sup"_(x arrow.r 0)^w u & upright("operatorname*:nolimits"), "curl"_x v "argmax"_K u & upright("DeclareMathOperator"))