diff --git a/base/src/main/java/de/staropensource/sosengine/base/utility/DependencyResolver.java b/base/src/main/java/de/staropensource/sosengine/base/utility/DependencyResolver.java
index e783671..787d830 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/utility/DependencyResolver.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/utility/DependencyResolver.java
@@ -25,6 +25,7 @@ import de.staropensource.sosengine.base.types.DependencyVector;
 import de.staropensource.sosengine.base.types.immutable.ImmutableArrayList;
 import de.staropensource.sosengine.base.types.immutable.ImmutableLinkedList;
 import lombok.Getter;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.*;
@@ -260,6 +261,7 @@ public final class DependencyResolver {
      * @throws IllegalStateException when the current dependency vector list has not been resolved yet. in this case, just invoke {@code resolve()}
      * @since 1-alpha1
      */
+    @ApiStatus.Experimental() // TODO
     public LinkedList<DependencyVector> getOrder() throws IllegalStateException {
         if (!resolved)
             throw new IllegalStateException("The current dependency vector list has not been resolved yet");
diff --git a/base/src/main/java/de/staropensource/sosengine/base/utility/ListFormatter.java b/base/src/main/java/de/staropensource/sosengine/base/utility/ListFormatter.java
index c16e931..ce0f72f 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/utility/ListFormatter.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/utility/ListFormatter.java
@@ -19,6 +19,7 @@
 
 package de.staropensource.sosengine.base.utility;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;
@@ -45,6 +46,7 @@ public final class ListFormatter {
      * @param array array to convert
      * @return formatted string
      */
+    @ApiStatus.Experimental() // TODO
     @NotNull
     public static String formatArray(@NotNull Object[] array) {
         return Arrays.toString(array);
@@ -56,6 +58,7 @@ public final class ListFormatter {
      * @param set set to convert
      * @return formatted string
      */
+    @ApiStatus.Experimental() // TODO
     @NotNull
     public static String formatSet(@NotNull Set<?> set) {
         return set.toString();
@@ -67,6 +70,7 @@ public final class ListFormatter {
      * @param list list to convert
      * @return formatted string
      */
+    @ApiStatus.Experimental() // TODO
     @NotNull
     public static String formatList(@NotNull List<?> list) {
         return list.toString();
@@ -78,6 +82,7 @@ public final class ListFormatter {
      * @param map map to convert
      * @return formatted string
      */
+    @ApiStatus.Experimental() // TODO
     @NotNull
     public static String formatMap(@NotNull Map<?, ?> map) {
         return map.toString();