diff --git a/projects/angular-odata/src/lib/models/model.ts b/projects/angular-odata/src/lib/models/model.ts
index 09c0832c..69ea57f7 100644
--- a/projects/angular-odata/src/lib/models/model.ts
+++ b/projects/angular-odata/src/lib/models/model.ts
@@ -26,6 +26,7 @@ import {
   ODataModelEventType,
   ODataModelEventEmitter,
   ModelFieldOptions,
+  ModelInterface,
 } from './options';
 import { EdmType, ParserOptions } from '../types';
 import { ODataEntityAnnotations } from '../annotations';
@@ -778,6 +779,12 @@ export class ODataModel<T> {
   //#endregion
 
   // Cast
+  cast<S>(
+    type: string, ModelType?: typeof ODataModel
+  ): ODataModel<T> & ModelInterface<T>;
+  cast<S, M extends ODataModel<S>>(
+    type: string, ModelType?: typeof ODataModel
+  ): M;
   cast<S>(type: string, ModelType?: typeof ODataModel) {
     //: ODataModel<S> {
     const resource = this.resource();
diff --git a/projects/angular-odata/src/lib/schema/enum-type.ts b/projects/angular-odata/src/lib/schema/enum-type.ts
index 84a68cbf..0af3f8d0 100644
--- a/projects/angular-odata/src/lib/schema/enum-type.ts
+++ b/projects/angular-odata/src/lib/schema/enum-type.ts
@@ -81,7 +81,7 @@ export class ODataEnumType<E> extends ODataParserSchemaElement<
     return this.parser.unpack(value);
   }
 
-  pack(value: string | number) {
+  pack(value: string | number | number[]) {
     return this.parser.pack(value);
   }
 }