}

  override fun invalidate() {
    delegate!!.invalidate()
  }

  override fun isValid(): Boolean {
    return delegate!!.isValid
  }

  override fun putValue(
    s: String,
    o: Any,
  ) {
    delegate!!.putValue(s, o)
  }

  override fun getValue(s: String): Any {
    return delegate!!.getValue(s)
  }

  override fun removeValue(s: String) {
    delegate!!.removeValue(s)
  }

  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

    assertThat(mapCache.unmodifiableKeySet()).hasSize(3);
    for (String key : mapCache.unmodifiableKeySet()) {
      assertThat(mapCache.get(key)).isEqualTo(key + "_value");
    }
  }

  @Test

  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

    assertThat(mapCache.unmodifiableKeySet()).hasSize(3);
    for (String key : mapCache.unmodifiableKeySet()) {
      assertThat(mapCache.get(key)).isEqualTo(key + "_value");
    }
  }

  @Test

    public ExtractData(final String content) {
        this.content = content;
    }

    public void putValues(final String key, final String[] values) {
        metadata.put(key, values);
    }

    public void putValue(final String key, final String value) {
        metadata.put(key, new String[] { value });
    }

    public String[] getValues(final String key) {
        return metadata.get(key);
    }

  override fun getProtocol(): String {
    throw UnsupportedOperationException()
  }

  override fun getSessionContext(): SSLSessionContext {
    throw UnsupportedOperationException()
  }

  override fun putValue(
    s: String,
    obj: Any,
  ) {
    throw UnsupportedOperationException()
  }

  override fun removeValue(s: String) {
    throw UnsupportedOperationException()
  }