fix(types): Model.primaryKeyAttributes (#11406)

types/lib/model.d.ts

@@ -1535,6 +1535,11 @@ export abstract class Model<T = any, T2 = any> extends Hooks {
   public static readonly primaryKeyAttribute: string;
 
   /**
+   * The name of the primary key attributes
+   */
+  public static readonly primaryKeyAttributes: string[];
+
+  /**
    * An object hash from alias to association object
    */
   public static readonly associations: {

types/test/model.ts

@@ -67,3 +67,8 @@ UserModel.findCreateFind({
   }
 })
 
+/**
+ * Test for primaryKeyAttributes.
+ */
+class TestModel extends Model {};
+TestModel.primaryKeyAttributes;
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