idea: cleanup code

idea/idea-j2k/src/org/jetbrains/kotlin/idea/j2k/IdeaReferenceSearcher.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2015 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 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.idea.j2k
@@ -31,14 +20,19 @@ import org.jetbrains.kotlin.idea.KotlinLanguage
 import org.jetbrains.kotlin.j2k.ReferenceSearcher
 import java.util.*
 
-object IdeaReferenceSearcher: ReferenceSearcher {
-    override fun findLocalUsages(element: PsiElement, scope: PsiElement) = ReferencesSearch.search(element, LocalSearchScope(scope)).findAll()
+object IdeaReferenceSearcher : ReferenceSearcher {
+    override fun findLocalUsages(element: PsiElement, scope: PsiElement) =
+        ReferencesSearch.search(element, LocalSearchScope(scope)).findAll()
 
     override fun hasInheritors(`class`: PsiClass) = ClassInheritorsSearch.search(`class`, false).any()
 
     override fun hasOverrides(method: PsiMethod) = OverridingMethodsSearch.search(method, false).any()
 
-    override fun findUsagesForExternalCodeProcessing(element: PsiElement, searchJava: Boolean, searchKotlin: Boolean): Collection<PsiReference> {
+    override fun findUsagesForExternalCodeProcessing(
+        element: PsiElement,
+        searchJava: Boolean,
+        searchKotlin: Boolean
+    ): Collection<PsiReference> {
         val fileTypes = ArrayList<FileType>()
         if (searchJava) {
             fileTypes.add(JavaLanguage.INSTANCE.associatedFileType!!)
@@ -46,7 +40,8 @@ object IdeaReferenceSearcher: ReferenceSearcher {
         if (searchKotlin) {
             fileTypes.add(KotlinLanguage.INSTANCE.associatedFileType!!)
         }
-        val searchScope = GlobalSearchScope.getScopeRestrictedByFileTypes(GlobalSearchScope.projectScope(element.project), *fileTypes.toTypedArray())
+        val searchScope =
+            GlobalSearchScope.getScopeRestrictedByFileTypes(GlobalSearchScope.projectScope(element.project), *fileTypes.toTypedArray())
         return ReferencesSearch.search(element, searchScope).findAll()
     }
 }