diff --git a/libraries/session/src/main/java/androidx/media3/session/MediaConstants.java b/libraries/session/src/main/java/androidx/media3/session/MediaConstants.java
index 9ad21b8784..a022216c4d 100644
--- a/libraries/session/src/main/java/androidx/media3/session/MediaConstants.java
+++ b/libraries/session/src/main/java/androidx/media3/session/MediaConstants.java
@@ -16,6 +16,8 @@
 package androidx.media3.session;
 
 import android.net.Uri;
+import android.support.v4.media.session.PlaybackStateCompat;
+import androidx.media3.session.MediaLibraryService.LibraryParams;
 
 /** Constants that can be shared between media session and controller. */
 public final class MediaConstants {
@@ -116,27 +118,36 @@ public final class MediaConstants {
   /**
    * The extras key for the localized error resolution string.
    *
-   * <p>See {@link
-   * androidx.media.utils.MediaConstants#PLAYBACK_STATE_EXTRAS_KEY_ERROR_RESOLUTION_ACTION_LABEL}.
+   * <p>Use this key to populate the extras bundle of the {@link LibraryParams} when {@link
+   * LibraryResult#ofError(int, LibraryParams) creating a LibraryResult} for an unsuccessful service
+   * call.
+   *
+   * @see
+   *     androidx.media.utils.MediaConstants#PLAYBACK_STATE_EXTRAS_KEY_ERROR_RESOLUTION_ACTION_LABEL
    */
   public static final String EXTRAS_KEY_ERROR_RESOLUTION_ACTION_LABEL_COMPAT =
       "android.media.extras.ERROR_RESOLUTION_ACTION_LABEL";
   /**
    * The extras key for the error resolution intent.
    *
-   * <p>See {@link
-   * androidx.media.utils.MediaConstants#PLAYBACK_STATE_EXTRAS_KEY_ERROR_RESOLUTION_ACTION_INTENT}.
+   * <p>Use this key to populate the extras bundle of the {@link LibraryParams} when {@link
+   * LibraryResult#ofError(int, LibraryParams) creating a LibraryResult} for an unsuccessful service
+   * call.
+   *
+   * @see
+   *     androidx.media.utils.MediaConstants#PLAYBACK_STATE_EXTRAS_KEY_ERROR_RESOLUTION_ACTION_INTENT
    */
   public static final String EXTRAS_KEY_ERROR_RESOLUTION_ACTION_INTENT_COMPAT =
       "android.media.extras.ERROR_RESOLUTION_ACTION_INTENT";
 
-  /** The legacy status code for successful execution. */
-  public static final int STATUS_CODE_SUCCESS_COMPAT = -1;
-
   /**
    * The legacy error code for expired authentication.
    *
-   * <p>See {@code PlaybackStateCompat#ERROR_CODE_AUTHENTICATION_EXPIRED}.
+   * <p>Use this error code to indicate an expired authentication when {@link
+   * LibraryResult#ofError(int, LibraryParams) creating a LibraryResult} for an unsuccessful service
+   * call.
+   *
+   * @see PlaybackStateCompat#ERROR_CODE_AUTHENTICATION_EXPIRED
    */
   public static final int ERROR_CODE_AUTHENTICATION_EXPIRED_COMPAT = 3;
 
diff --git a/libraries/session/src/main/java/androidx/media3/session/PlayerWrapper.java b/libraries/session/src/main/java/androidx/media3/session/PlayerWrapper.java
index 36fd98bfa2..300f7bfd03 100644
--- a/libraries/session/src/main/java/androidx/media3/session/PlayerWrapper.java
+++ b/libraries/session/src/main/java/androidx/media3/session/PlayerWrapper.java
@@ -18,7 +18,6 @@ package androidx.media3.session;
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.Assertions.checkState;
 import static androidx.media3.common.util.Util.postOrRun;
-import static androidx.media3.session.MediaConstants.STATUS_CODE_SUCCESS_COMPAT;
 
 import android.media.AudioManager;
 import android.os.Bundle;
@@ -55,6 +54,8 @@ import java.util.List;
  */
 /* package */ class PlayerWrapper extends ForwardingPlayer {
 
+  private static final int STATUS_CODE_SUCCESS_COMPAT = -1;
+
   private int legacyStatusCode;
   @Nullable private String legacyErrorMessage;
   @Nullable private Bundle legacyErrorExtras;