Parkour implementation safety save 4

This is just a safety save in case the code gets too broken to fix.

src/main/java/net/knarcraft/minigames/arena/Arena.java

@@ -0,0 +1,47 @@
+package net.knarcraft.minigames.arena;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+/**
+ * An interface describing an arena
+ */
+public interface Arena {
+
+    /**
+     * Gets the data stored for this arena
+     *
+     * @return <p>The stored data</p>
+     */
+    ArenaData getData();
+
+    /**
+     * Gets the id of this arena
+     *
+     * @return <p>This arena's identifier</p>
+     */
+    @NotNull UUID getArenaId();
+
+    /**
+     * Gets this arena's sanitized name
+     *
+     * @return <p>This arena's sanitized name</p>
+     */
+    @NotNull String getArenaNameSanitized();
+
+    /**
+     * Removes the data file belonging to this arena
+     *
+     * @return <p>True if successfully removed</p>
+     */
+    boolean removeData();
+
+    /**
+     * Saves this arena's data
+     *
+     * @return <p>True if successfully saved</p>
+     */
+    boolean saveData();
+
+}