Switched from FML Optional to AE Optional, lets me specify more interesting requirements for integration, and lets the config alter the resulting integration setup.

transformer/annotations/integration.java

@@ -0,0 +1,35 @@
+package appeng.transformer.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+public @interface integration {
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.TYPE)
+	public @interface InterfaceList {
+
+		public Interface[] value();
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.TYPE)
+	public @interface Interface {
+
+		public String iface();
+
+		public String iname();
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.METHOD)
+	public @interface Method {
+
+		public String iname();
+
+	}
+}