Internal change

PiperOrigin-RevId: 785987644

Author: TristonianJones

policy/src/main/java/dev/cel/policy/CelPolicySource.java

@@ -65,6 +65,13 @@ public abstract static class Builder {
 
   public abstract Builder toBuilder();
 
+  public static Builder newBuilder(String content) {
+    return new AutoValue_CelPolicySource.Builder()
+        .setDescription("")
+        .setContent(CelCodePointArray.fromString(content))
+        .setPositionsMap(ImmutableMap.of());
+  }
+
   public static Builder newBuilder(CelCodePointArray celCodePointArray) {
     return new AutoValue_CelPolicySource.Builder()
         .setDescription("")