[groovy] @NotNull

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GroovyScriptClass.java

@@ -1,17 +1,5 @@
 /*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * 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.
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
  */
 package org.jetbrains.plugins.groovy.lang.psi.impl.synthetic;
 
@@ -65,6 +53,7 @@ public class GroovyScriptClass extends GrLightTypeDefinitionBase implements Synt
     return new GroovyScriptClass(myFile);
   }
 
+  @NotNull
   @Override
   public GroovyFile getContainingFile() {
     return myFile;