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-rw-r--r--src/main/scala/firrtl/annotations/Annotation.scala3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/annotations/Annotation.scala b/src/main/scala/firrtl/annotations/Annotation.scala
index f4d6ee55..c6145c86 100644
--- a/src/main/scala/firrtl/annotations/Annotation.scala
+++ b/src/main/scala/firrtl/annotations/Annotation.scala
@@ -4,6 +4,7 @@ package firrtl
package annotations
import firrtl.options.StageUtils
+import org.json4s.JValue
import scala.collection.Traversable
@@ -165,3 +166,5 @@ object Annotation
case class DeletedAnnotation(xFormName: String, anno: Annotation) extends NoTargetAnnotation {
override def serialize: String = s"""DELETED by $xFormName\n${anno.serialize}"""
}
+
+case class UnrecognizedAnnotation(underlying: JValue) extends NoTargetAnnotation