Fixed for TS0.9 :

angular-resource: declare required
chai-assert: 'declare' modifier not allowed for code already in an ambient context.
chai: Trailing comma not allowed

chai/chai-assert.d.ts

@@ -107,7 +107,7 @@ declare module chai
 		ifError(val:any, msg?:string);
 	}
 	//node module
-	declare var assert:Assert;
+	var assert:Assert;
 }
 //browser global
 declare var assert:chai.Assert;

chai/chai.d.ts

@@ -35,7 +35,7 @@ declare module chai {
 
     interface TypeComparison { 
         (type: string, message?: string): bool;
-         instanceof(type: Object, ): bool;
+         instanceof(type: Object): bool;
     }
 
     interface NumericComparison {