Automatic code cleanup.

PiperOrigin-RevId: 420475286

src/main/java/com/google/devtools/build/lib/rules/config/FeatureFlagValue.java

diff --git a/src/main/java/com/google/devtools/build/lib/rules/config/FeatureFlagValue.java b/src/main/java/com/google/devtools/build/lib/rules/config/FeatureFlagValue.java
index e6370d1..ed4ddde 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/config/FeatureFlagValue.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/config/FeatureFlagValue.java
@@ -165,7 +165,7 @@
     if (!unknownFlags.isEmpty()) {
       throw new UnknownValueException(unknownFlags);
     }
-    return knownValues.build();
+    return knownValues.buildOrThrow();
   }
 
   /** Exception class for when getFlagValues runs into UNKNOWN_VALUE. */