Function removeOptionality

test/fixtures/snapshot/typescript.js:127776–127780

(type, isOptionalExpression, isOptionalChain)

    }
    ts.findPrecedingMatchingToken = findPrecedingMatchingToken;
    function removeOptionality(type, isOptionalExpression, isOptionalChain) {
        return isOptionalExpression ? type.getNonNullableType() :
            isOptionalChain ? type.getNonOptionalType() :
                type;
    }
    ts.removeOptionality = removeOptionality;
    function isPossiblyTypeArgumentPosition(token, sourceFile, checker) {
        var info = getPossibleTypeArgumentsInfo(token, sourceFile);