return (delegate != null) ? delegate.containsKey(key) : indexOf(key) != -1;
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    Map<K, V> delegate = delegateOrNull();
    if (delegate != null) {
      return delegate.get(key);
    }
    int index = indexOf(key);
    if (index == -1) {
      return null;
    }
    accessEntry(index);
    return value(index);

        if (layout.containsKey(key)) {
            if (layout.get(key).getValueLines() != null) {
                return new ArrayList<String>(layout.get(key).getValueLines());
            }
        }
        List<String> result = new ArrayList<String>();
        if (storage.containsKey(key)) {
            result.add(storage.get(key));
        }
        return result;
    }

        if (layout.containsKey(key)) {
            if (layout.get(key).getValueLines() != null) {
                return new ArrayList<String>(layout.get(key).getValueLines());
            }
        }
        List<String> result = new ArrayList<String>();
        if (storage.containsKey(key)) {
            result.add(storage.get(key));
        }
        return result;
    }

    }

    @Override
    public boolean equals(final Object o) {
        return parent.equals(o);
    }

    @Override
    public Map<String, Object> get(final int index) {
        return parent.get(index);
    }

    @Override
    public int hashCode() {
        return parent.hashCode();
    }

    @Override
    public int indexOf(final Object o) {

    request body is not used to determine the cache key, so you must manually add cache-relevant
    data to the override URL. For example, you could add a `request-body-sha256` query parameter so
    requests with the same POST data get the same cache entry.

 *  New: `HttpLoggingInterceptor.redactQueryParams()` configures the query parameters to redact
    in logs. For best security, don't put sensitive information in query parameters.

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

    private int value;

    @Override
    public Integer get() {
      return ++value;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof CountingSupplier) {
        return this.value == ((CountingSupplier) obj).value;

路径参数的值是一个枚举成员。

#### 比较枚举成员 { #compare-enumeration-members }

可以将其与枚举类 `ModelName` 中的枚举成员进行比较：

{* ../../docs_src/path_params/tutorial005_py310.py hl[17] *}

#### 获取枚举值 { #get-the-enumeration-value }

使用 `model_name.value` 或通用的 `your_enum_member.value` 获取实际的值（本例中为 `str`）：

{* ../../docs_src/path_params/tutorial005_py310.py hl[20] *}

/// tip | 提示

	// we do not need stashbuffer for them.
	if globalBytePoolCap.Load().WidthCap() >= len(readers)*shardSize {
		// Fill buffers
		b = globalBytePoolCap.Load().Get()
		// Seed the buffers.
		for i := range bufs {
			bufs[i] = b[i*shardSize : (i+1)*shardSize]
		}
	}

	return &parallelReader{
		readers:       readers,
		orgReaders:    readers,

          responseCode == HTTP_TEMP_REDIRECT
      if (HttpMethod.redirectsToGet(method) && responseCode != HTTP_PERM_REDIRECT && responseCode != HTTP_TEMP_REDIRECT) {
        requestBuilder.method("GET", null)
      } else {
        val requestBody = if (maintainBody) userResponse.request.body else null
        requestBuilder.method(method, requestBody)
      }
      if (!maintainBody) {

   */
  public String getHost() {
    return host;
  }

  /** Return true if this instance has a defined port. */
  public boolean hasPort() {
    return port >= 0;
  }

  /**
   * Get the current port number, failing if no port is defined.
   *
   * @return a validated port number, in the range [0..65535]
   * @throws IllegalStateException if no port is defined. You can use {@link #withDefaultPort(int)}