private JSType record(ImmutableMap<String, JSType> props) {
RecordTypeBuilder builder = createRecordTypeBuilder();
for (Entry<String, JSType> e : props.entrySet()) {
builder.addProperty(e.getKey(), e.getValue(), null);
}
return builder.build();
}
private void testTTL(JSType expectedType, String ttlExp,
String... expectedWarnings) {
TypeTransformationParser ttlParser = new TypeTransformationParser(ttlExp,