Add export, import, and implements annotation

src/main/java/net/runelite/mapping/Export.java

@@ -0,0 +1,13 @@
+package net.runelite.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.FIELD, ElementType.METHOD})
+public @interface Export
+{
+	String value();
+}

src/main/java/net/runelite/mapping/Implements.java

@@ -0,0 +1,13 @@
+package net.runelite.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface Implements
+{
+	String value();
+}

src/main/java/net/runelite/mapping/Import.java

@@ -0,0 +1,13 @@
+package net.runelite.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.FIELD, ElementType.METHOD})
+public @interface Import
+{
+	String value();
+}