diff --git a/paper-api/src/main/java/org/bukkit/block/data/BlockData.java b/paper-api/src/main/java/org/bukkit/block/data/BlockData.java
index 12a7ca1808..96dbcc34c8 100644
--- a/paper-api/src/main/java/org/bukkit/block/data/BlockData.java
+++ b/paper-api/src/main/java/org/bukkit/block/data/BlockData.java
@@ -8,6 +8,8 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockSupport;
 import org.bukkit.block.PistonMoveReaction;
+import org.bukkit.block.structure.Mirror;
+import org.bukkit.block.structure.StructureRotation;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -215,4 +217,22 @@ public interface BlockData extends Cloneable {
      */
     @NotNull
     Material getPlacementMaterial();
+
+    /**
+     * Rotates this blockdata by the specified {@link StructureRotation}.
+     * <p>
+     * This has no effect on blocks that do not have any rotatable states.
+     *
+     * @param rotation the rotation
+     */
+    void rotate(@NotNull StructureRotation rotation);
+
+    /**
+     * Mirrors this blockdata using the specified {@link Mirror}.
+     * <p>
+     * This has no effect on blocks that do not have any mirrorable states.
+     *
+     * @param mirror the mirror
+     */
+    void mirror(@NotNull Mirror mirror);
 }