import{error as k,toSet as nu,isFunction as iu,isString as Tu,hasOwnProperty as H}from"/-/vega-util@v1.17.2-LUfkDhormMyfWqy3Ts6U/dist=es2020,mode=imports,min/optimized/vega-util.js";const au="RawCode",su="Literal",Au="Property",ou="Identifier",Fu="ArrayExpression",Cu="BinaryExpression",cu="CallExpression",lu="ConditionalExpression",Du="LogicalExpression",Bu="MemberExpression",Eu="ObjectExpression",fu="UnaryExpression";function m(u){this.type=u}m.prototype.visit=function(u){let e,t,n;if(u(this))return 1;for(e=Nu(this),t=0,n=e.length;t<n;++t)if(e[t].visit(u))return 1};function Nu(u){switch(u.type){case Fu:return u.elements;case Cu:case Du:return[u.left,u.right];case cu:return[u.callee].concat(u.arguments);case lu:return[u.test,u.consequent,u.alternate];case Bu:return[u.object,u.property];case Eu:return u.properties;case Au:return[u.key,u.value];case fu:return[u.argument];case ou:case su:case au:default:return[]}}var 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