diff --git a/library/src/main/java/androidx/preference/Preference.java b/library/src/main/java/androidx/preference/Preference.java
index 502c39f..08dd310 100644
--- a/library/src/main/java/androidx/preference/Preference.java
+++ b/library/src/main/java/androidx/preference/Preference.java
@@ -30,6 +30,10 @@ public class Preference {
         throw new RuntimeException("Stub!");
     }
 
+    public void setVisible(boolean visible) {
+        throw new RuntimeException("Stub!");
+    }
+
     public String getKey() {
         throw new RuntimeException("Stub!");
     }
diff --git a/library/src/main/java/eu/kanade/tachiyomi/AppInfo.kt b/library/src/main/java/eu/kanade/tachiyomi/AppInfo.kt
index a759b6b..faaa1e0 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/AppInfo.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/AppInfo.kt
@@ -1,6 +1,19 @@
 package eu.kanade.tachiyomi
 
 object AppInfo {
+    /**
+     * Version code of the host application. May be useful for sharing as User-Agent information.
+     * Note that this value differs between forks so logic should not rely on it.
+     *
+     * @since extension-lib 1.3
+     */
     fun getVersionCode(): Int = throw Exception("Stub!")
+
+    /**
+     * Version name of the host application. May be useful for sharing as User-Agent information.
+     * Note that this value differs between forks so logic should not rely on it.
+     *
+     * @since extension-lib 1.3
+     */
     fun getVersionName(): String = throw Exception("Stub!")
 }