Move MultiRenderer to a more suitable package

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -31,7 +31,6 @@ import org.jetbrains.kotlin.psi.KtSimpleNameExpression;
 import org.jetbrains.kotlin.psi.KtTypeConstraint;
 import org.jetbrains.kotlin.renderer.DescriptorRenderer;
 import org.jetbrains.kotlin.renderer.DescriptorRendererOptions;
-import org.jetbrains.kotlin.renderer.MultiRenderer;
 import org.jetbrains.kotlin.renderer.Renderer;
 import org.jetbrains.kotlin.resolve.varianceChecker.VarianceChecker.VarianceConflictDiagnosticData;
 import org.jetbrains.kotlin.types.KotlinType;

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DiagnosticFactoryToRendererMap.java

@@ -20,7 +20,6 @@ import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.diagnostics.*;
-import org.jetbrains.kotlin.renderer.MultiRenderer;
 import org.jetbrains.kotlin.renderer.Renderer;
 
 import java.util.HashMap;

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DiagnosticWithMultiParametersRenderer.java

@@ -18,7 +18,6 @@ package org.jetbrains.kotlin.diagnostics.rendering;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.kotlin.diagnostics.DiagnosticWithParameters1;
-import org.jetbrains.kotlin.renderer.MultiRenderer;
 
 public class DiagnosticWithMultiParametersRenderer<A> extends AbstractDiagnosticWithParametersRenderer<DiagnosticWithParameters1<?,A>> {
     @NotNull private final MultiRenderer<? super A> renderersForA;

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/MultiRenderer.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2016 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.
+ */
+
+package org.jetbrains.kotlin.diagnostics.rendering;
+
+import org.jetbrains.annotations.NotNull;
+
+public interface MultiRenderer<O> {
+    @NotNull
+    String[] render(@NotNull O object);
+}