Added new Configuration classes

src/main/java/org/bukkit/configuration/serialization/ConfigurationSerializable.java

@@ -0,0 +1,24 @@
+package org.bukkit.configuration.serialization;
+
+import java.util.Map;
+
+/**
+ * Represents an object that may be serialized.
+ * <p>
+ * These objects MUST implement one of the following, in addition to the methods
+ * as defined by this interface:
+ * - A static method "deserialize" that accepts a single {@link Map<String, Object>} and returns the class.
+ * - A static method "valueOf" that accepts a single {@link Map<String, Object>} and returns the class.
+ * - A constructor that accepts a single {@link Map<String, Object>}.
+ */
+public interface ConfigurationSerializable {
+    /**
+     * Creates a Map representation of this class.
+     * <p>
+     * This class must provide a method to restore this class, as defined in the
+     * {@link ConfigurationSerializable} interface javadocs.
+     * 
+     * @return Map containing the current state of this class
+     */
+    public Map<String, Object> serialize();
+}