diff --git a/breeze/breeze.d.ts b/breeze/breeze.d.ts
index 14721ecc07..de66509685 100644
--- a/breeze/breeze.d.ts
+++ b/breeze/breeze.d.ts
@@ -360,6 +360,13 @@ declare module breeze {
         rejectChanges(): Entity[];
         saveChanges(entities?: Entity[], saveOptions?: SaveOptions, callback?: SaveChangesSuccessCallback, errorCallback?: SaveChangesErrorCallback): Promise;
         setProperties(config: EntityManagerProperties): void;
+
+        helper: {
+            unwrapInstance(structObj: Entity, isOData: bool): any;
+            unwrapOriginalValues(target: Entity, metadataStore: MetadataStore, isOData: bool): any;
+            unwrapChangedValues(target: Entity, metadataStore: MetadataStore, isOData: bool): any;
+            getEntityKeyFromRawEntity(rawEntity: any, entityType: EntityType, isClient: bool): EntityKey;
+        };
     }
 
     interface EntityManagerOptions {