/*
 * Copyright 2000-2012 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 com.intellij.openapi.roots.impl;

import java.util.Set;

import javax.annotation.Nonnull;

import com.intellij.internal.statistic.AbstractApplicationUsagesCollector;
import com.intellij.internal.statistic.beans.GroupDescriptor;
import com.intellij.internal.statistic.beans.UsageDescriptor;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.HashSet;
import consulo.java.module.extension.JavaModuleExtension;

public class LanguageLevelUsagesCollector extends AbstractApplicationUsagesCollector
{
	@Nonnull
	@Override
	public String getGroupId()
	{
		return "java-language-level";
	}

	@Nonnull
	public Set<UsageDescriptor> getProjectUsages(@Nonnull Project project)
	{
		final Set<String> languageLevels = new HashSet<String>();
		for(Module module : ModuleManager.getInstance(project).getModules())
		{
			JavaModuleExtension extension = ModuleRootManager.getInstance(module).getExtension(JavaModuleExtension.class);
			if(extension != null)
			{
				languageLevels.add(extension.getLanguageLevel().toString());
			}
		}
		return ContainerUtil.map2Set(languageLevels, languageLevel -> new UsageDescriptor(languageLevel, 1));
	}
}

@@ -772,70 +772,8 @@
 or;%0A
-import com.intellij.internal.statistic.beans.GroupDescriptor;%0A
 impo

drop usage