import com.intellij.util.IncorrectOperationException;
import com.intellij.util.StringBuilderSpinAllocator;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
<BUG>import java.util.HashMap;
import java.util.List;</BUG>
import java.util.Map;
public class AntElementImpl extends MetadataPsiElementBase implements AntElement {
protected static AntElement ourNull = new AntElementImpl(null, null) {

import com.intellij.util.IncorrectOperationException;
import com.intellij.util.StringBuilderSpinAllocator;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
public class AntElementImpl extends MetadataPsiElementBase implements AntElement {
protected static AntElement ourNull = new AntElementImpl(null, null) {
