Default to empty list

Author: renaudhartert-db

databricks-sdk-java/src/main/java/com/databricks/sdk/core/error/details/ErrorDetails.java

@@ -36,7 +36,7 @@ public abstract class ErrorDetails {
   public abstract List<JsonNode> unknownDetails();
 
   public static Builder builder() {
-    return new AutoValue_ErrorDetails.Builder().setUnknownDetails(Collections.emptyList());
+    return new AutoValue_ErrorDetails.Builder();
   }
 
   @AutoValue.Builder
@@ -61,6 +61,17 @@ public abstract static class Builder {
 
     public abstract Builder setUnknownDetails(List<JsonNode> unknownDetails);
 
-    public abstract ErrorDetails build();
+    abstract List<JsonNode> unknownDetails();
+
+    abstract ErrorDetails autoBuild();
+
+    public ErrorDetails build() {
+      try {
+        unknownDetails();
+      } catch (IllegalStateException e) {
+        setUnknownDetails(Collections.emptyList());
+      }
+      return autoBuild();
+    }
   }
 }