import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import com.intellij.psi.filters.getters.AllWordsGetter;
import com.intellij.psi.tree.IElementType;
import com.intellij.openapi.application.ApplicationManager;
<BUG>import com.intellij.openapi.util.Computable;
import java.util.Set;</BUG>
import java.util.HashSet;
public class WordCompletionContributor extends CompletionContributor{
@Override

import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import com.intellij.psi.filters.getters.AllWordsGetter;
import com.intellij.psi.tree.IElementType;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.util.Computable;
import static com.intellij.patterns.StandardPatterns.*;
import java.util.Set;
import java.util.HashSet;
public class WordCompletionContributor extends CompletionContributor{
@Override
