peter-toth commented on code in PR #57285:
URL: https://github.com/apache/spark/pull/57285#discussion_r3639215442


##########
core/src/main/scala/org/apache/spark/internal/config/package.scala:
##########
@@ -1679,6 +1679,18 @@ package object config {
       .timeConf(TimeUnit.SECONDS)
       .createWithDefaultString("1h")
 
+  private[spark] val CREDENTIALS_DIRECT_PROVIDERS_ENABLED =
+    ConfigBuilder("spark.security.credentials.directProviders.enabled")
+      .doc(
+        "When true, enables delegation token collection and renewal without 
Kerberos. " +
+        "Providers are called directly (without doLogin/doAs) and participate 
in the " +
+        "same renewal and distribution lifecycle as Kerberos delegation token 
providers. " +
+        "Providers that require Kerberos self-gate via 
delegationTokensRequired.")
+      .version("5.0.0")

Review Comment:
   I think we can ship it in 4.3.0.



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