Fix null check required for analyzer <2.0.0
PiperOrigin-RevId: 385440655
diff --git a/lib/src/builder.dart b/lib/src/builder.dart
index 397534f..0ea450a 100644
--- a/lib/src/builder.dart
+++ b/lib/src/builder.dart
@@ -149,7 +149,10 @@
for (final element in elements) {
final elementLibrary = element.library!;
- if (elementLibrary.isInSdk && !elementLibrary.name.startsWith('dart._')) {
+ if (elementLibrary.isInSdk &&
+ // TODO(srawlins): Remove this when analyzer dep is >=2.0.0.
+ // ignore: unnecessary_non_null_assertion
+ !elementLibrary.name!.startsWith('dart._')) {
// For public SDK libraries, just use the source URI.
typeUris[element] = elementLibrary.source.uri.toString();
continue;