Function getUniqueTypeParameterName

test/fixtures/snapshot/typescript.js:79752–79763

(typeParameters, baseName)

            return ts.some(typeParameters, function (tp) { return tp.symbol.escapedName === name; });
        }
        function getUniqueTypeParameterName(typeParameters, baseName) {
            var len = baseName.length;
            while (len > 1 && baseName.charCodeAt(len - 1) >= 48 /* CharacterCodes._0 */ && baseName.charCodeAt(len - 1) <= 57 /* CharacterCodes._9 */)
                len--;
            var s = baseName.slice(0, len);
            for (var index = 1; true; index++) {
                var augmentedName = s + index;
                if (!hasTypeParameterByName(typeParameters, augmentedName)) {
                    return augmentedName;
                }
            }
        }
        function getReturnTypeOfSingleNonGenericCallSignature(funcType) {
            var signature = getSingleCallSignature(funcType);
            if (signature && !signature.typeParameters) {