--- a/net/minecraft/world/level/block/entity/vault/VaultSharedData.java
+++ b/net/minecraft/world/level/block/entity/vault/VaultSharedData.java
@@ -56,7 +_,7 @@
         return !this.connectedPlayers.isEmpty();
     }
 
-    Set<UUID> getConnectedPlayers() {
+    public Set<UUID> getConnectedPlayers() {
         return this.connectedPlayers;
     }
 
