import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.*;
<BUG>import com.intellij.psi.impl.PsiFileEx;
import com.intellij.psi.impl.PsiManagerImpl;
import com.intellij.psi.impl.PsiManagerEx;</BUG>
import com.intellij.psi.impl.java.stubs.JavaStubElementTypes;
import com.intellij.psi.impl.java.stubs.PsiClassStub;

import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.*;
import com.intellij.psi.impl.PsiFileEx;
import com.intellij.psi.impl.PsiManagerEx;
import com.intellij.psi.impl.PsiManagerImpl;
import com.intellij.psi.impl.java.stubs.JavaStubElementTypes;
import com.intellij.psi.impl.java.stubs.PsiClassStub;
