=== tests/cases/conformance/expressions/typeGuards/typeGuardsInExternalModule.ts ===
// Note that type guards affect types of variables and parameters only and 
// have no effect on members of objects such as properties. 

// local variable in external module
var num: number;
>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))

var var1: string | number;
>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))

if (typeof var1 === "string") {
>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))

    num = var1.length; // string
>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))
>var1.length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
>length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
}
else {
    num = var1; // number
>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))
>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
}

// exported variable in external module
var strOrNum: string | number;
>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))

export var var2: string | number;
>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))

if (typeof var2 === "string") {
>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))

    // export makes the var property and not variable
    strOrNum = var2; // string | number
>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))
>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
}
else {
    strOrNum = var2; // number | string
>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))
>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
}