Deprecate blaze_query.Rule.is_skylark.
It's never been populated by Bazel ever.
Fixes #11006
RELNOTES: None
PiperOrigin-RevId: 302673705
diff --git a/src/main/protobuf/build.proto b/src/main/protobuf/build.proto
index 0f2fdb0..469df9e 100644
--- a/src/main/protobuf/build.proto
+++ b/src/main/protobuf/build.proto
@@ -311,8 +311,7 @@
// The rule's class's public by default value.
optional bool public_by_default = 9;
- // If this rule is of a skylark-defined RuleClass.
- optional bool is_skylark = 10;
+ optional bool DEPRECATED_is_skylark = 10;
// Hash encapsulating the behavior of this Skylark rule. Any change to this
// rule's definition that could change its behavior will be reflected here.