{"ScriptPreparationCode":"var a = [\u0027a\u0027, \u0027b\u0027, \u0027c\u0027, \u0027d\u0027];\r\nvar c = {a: \u0027a\u0027, b: \u0027b\u0027, c: \u0027c\u0027, d: \u0027d\u0027}\r\nvar b = new Set(a)","TestCases":[{"Name":"includes","Code":"return Object.keys(c).includes(\u0027c\u0027)","IsDeferred":false},{"Name":"lookup","Code":"return b.has(\u0027c\u0027)","IsDeferred":false}]}