[ADF-4911] migrate identity role service (#5096)

* migrate IdentityRoleService implementation

* update unit tests

* move interfaces to the origin

* move models to proper places

* migrate model to interface

* fix test

* update docs

lib/core/models/identity-role.model.ts

@@ -0,0 +1,37 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export class IdentityRoleModel {
+    id: string;
+    name: string;
+    description?: string;
+    clientRole?: boolean;
+    composite?: boolean;
+    containerId?: string;
+    scopeParamRequired?: boolean;
+
+    constructor(obj?: any) {
+        if (obj) {
+            this.id = obj.id || null;
+            this.name = obj.name || null;
+            this.description = obj.description || null;
+            this.clientRole = obj.clientRole || null;
+            this.composite = obj.composite || null;
+            this.containerId = obj.containerId || null;
+            this.scopeParamRequired = obj.scopeParamRequired || null;
+        }
+    }
+}