Added new Configuration classes

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

@@ -0,0 +1,28 @@
+package org.bukkit.configuration.serialization;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Represents an "alias" that a {@link ConfigurationSerializable} may be stored as.
+ * If this is not present on a {@link ConfigurationSerializable} class, it will use the
+ * fully qualified name of the class.
+ * <p>
+ * Using this annotation on any other class than a {@link ConfigurationSerializable} will
+ * have no effect.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface SerializableAs {
+    /**
+     * This is the name your class will be stored and retrieved as.
+     * <p>
+     * This name MUST be unique. We recommend using names such as "MyPluginThing" instead of
+     * "Thing".
+     * 
+     * @return Name to serialize the class as.
+     */
+    public String value();
+}