first chunk of interfaces that are valid via dart analyzer

modules/di/src/di.js

@@ -0,0 +1 @@
+export * from './module';

modules/di/src/module.js

@@ -0,0 +1,24 @@
+import {Type} from 'facade/lang';
+import {Map, MapWrapper wraps Map} from 'facade/collection';
+
+/// becouse we need to know when toValue was not set. 
+/// (it could be that toValue is set to null or undefined in js) 
+var _UNDEFINED = {} 
+
+export class Module {
+
+  @FIELD('final bindings:Map<Key, Binding>')
+  constructor(){
+    this.bindings = new MapWrapper();
+  }
+
+  bind(type:Type, 
+      {toValue=_UNDEFINED, toFactory, toImplementation, inject, toInstanceOf, withAnnotation}/*:
+        {toFactory:Function, toImplementation: Type, inject: Array, toInstanceOf:Type}*/) {}
+
+  bindByKey(key:Key, 
+      {toValue=_UNDEFINED, toFactory, toImplementation, inject, toInstanceOf}/*:
+        {toFactory:Function, toImplementation: Type, inject: Array, toInstanceOf:Type}*/) {}
+
+  install(module:Module) {}
+}