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=== tests/cases/conformance/expressions/nullishCoalescingOperator/nullishCoalescingOperator4.ts ===
declare const a1: 'literal' | undefined | null
>a1 : "literal" | null | undefined
>null : null
const aa1 = a1 ?? a1.toLowerCase()
>aa1 : any
>a1 ?? a1.toLowerCase() : any
>a1 : "literal" | null | undefined
>a1.toLowerCase() : any
>a1.toLowerCase : any
>a1 : null | undefined
>toLowerCase : any
const aa2 = a1 || a1.toLocaleUpperCase()
>aa2 : any
>a1 || a1.toLocaleUpperCase() : any
>a1 : "literal" | null | undefined
>a1.toLocaleUpperCase() : any
>a1.toLocaleUpperCase : any
>a1 : null | undefined
>toLocaleUpperCase : any
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