diff --git a/src/main/java/com/falsepattern/chunk/api/DataManager.java b/src/main/java/com/falsepattern/chunk/api/DataManager.java
index 03ae128..aaceac1 100644
--- a/src/main/java/com/falsepattern/chunk/api/DataManager.java
+++ b/src/main/java/com/falsepattern/chunk/api/DataManager.java
@@ -181,6 +181,7 @@ public interface DataManager {
          * @param to The chunk to copy data to.
          */
         @Contract(mutates = "param2")
+        @StableAPI.Expose
         void cloneChunk(Chunk from, Chunk to);
     }
 
@@ -232,6 +233,7 @@ public interface DataManager {
          * @param to The subChunk to copy data to.
          */
         @Contract(mutates = "param3")
+        @StableAPI.Expose
         void cloneSubChunk(Chunk fromChunk, ExtendedBlockStorage from, ExtendedBlockStorage to);
     }
 }