}

    @Override
    public boolean containsKey(Object key) {
      return standardContainsKey(key);
    }

    @Override
    public boolean containsValue(Object value) {
      return standardContainsValue(value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      standardPutAll(map);
    }

    @Override
    public @Nullable V remove(Object object) {

    @CanIgnoreReturnValue
    @Override
    public ForwardingChainingCalls chainingCall() {
      delegate.chainingCall();
      return this;
    }

    @Override
    public ChainingCalls nonChainingCall() {
      return delegate.nonChainingCall();
    }

    @Override
    public String toString() {
      return delegate.toString();
    }
  }

  public void testChainingCalls() {

  private final NavigableMap<K, V> delegate;

  public SafeTreeMap() {
    this(new TreeMap<K, V>());
  }

  public SafeTreeMap(Comparator<? super K> comparator) {
    this(new TreeMap<K, V>(comparator));
  }

  public SafeTreeMap(Map<? extends K, ? extends V> map) {
    this(new TreeMap<K, V>(map));
  }

  public SafeTreeMap(SortedMap<K, ? extends V> map) {
    this(new TreeMap<K, V>(map));
  }

    public void setBoost(Float value) {
        registerModifiedProperty("boost");
        this.boost = value;
    }

    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);
    }

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

import org.lastaflute.web.servlet.request.RequestManager;
import org.lastaflute.web.servlet.request.SimpleRequestManager;

public class SystemHelperTest extends UnitFessTestCase {

    public SystemHelper systemHelper;

    private final Map<String, String> envMap = new HashMap<>();

    @Override
    public void setUp() throws Exception {
        super.setUp();
        final File propFile = File.createTempFile("project", ".properties");

    public String getArtifactUri() {
        return artifactUri;
    }

    public void setArtifactUri(String artifactUri) {
        this.artifactUri = artifactUri;
    }

    public String getWhy() {
        return why;
    }

    public void setWhy(String why) {
        this.why = why;
    }

    public String getError() {
        return error;
    }

        /**
         * DFS state flags
         */
        public int state;
        /**
         * Number of storage servers
         */
        public int num_stores;
        /**
         * Array of storage information
         */
        public DfsStorageInfo[] stores;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);

        /** Length of the QoS information. */
        public int length;
        /** Security impersonation level. */
        public short impersonation_level;
        /** Context tracking mode. */
        public byte context_mode;
        /** Indicates if only effective privileges should be used. */
        public byte effective_only;

        @Override
        public void encode(final NdrBuffer _dst) throws NdrException {

    public static final String ERRORS_FOOTER = "{errors.footer}";

    /** The key of the message: <li><i class="fa fa-exclamation-circle"></i> */
    public static final String ERRORS_PREFIX = "{errors.prefix}";

    /** The key of the message: </li> */
    public static final String ERRORS_SUFFIX = "{errors.suffix}";

    /** The key of the message: {item} must be false. */

    public E getLast() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.getLast();
    }

    @Override
    public @Nullable E peekFirst() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.peekFirst();
    }

    @Override
    public @Nullable E peekLast() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.peekLast();
    }

    @Override