-import { Component, Input, OnInit } from '@angular/core';
-import { AbstractControl, ControlContainer, FormBuilder, FormControl, FormGroup, FormGroupDirective, ValidatorFn, Validators } from '@angular/forms';
+// -
+// ========================LICENSE_START=================================
+// O-RAN-SC
+// %%
+// Copyright (C) 2021: Nordix Foundation
+// %%
+// 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.
+// ========================LICENSE_END===================================
+// /
+
+import { Component, Input, OnInit, Output } from "@angular/core";
+import {
+ AbstractControl,
+ ControlContainer,
+ FormControl,
+ FormGroup,
+ FormGroupDirective,
+ ValidatorFn,
+ Validators,
+} from "@angular/forms";
+import { EventEmitter } from "@angular/core";