var gzippedLength: Long? = null
          if ("gzip".equals(headers["Content-Encoding"], ignoreCase = true)) {
            gzippedLength = buffer.size
            GzipSource(buffer.clone()).use { gzippedResponseBody ->
              buffer = Buffer()
              buffer.writeAll(gzippedResponseBody)
            }
          }

 * of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only
 * decimal digits and dots. This pattern matches strings like "a:.23" and "54" that are neither IP

        sourcePos += bytesRead

        // Append the upstream bytes to the file.
        fileOperator!!.write(
          FILE_HEADER_SIZE + upstreamPos,
          upstreamBuffer.clone(),
          upstreamBytesRead,
        )

        synchronized(this@Relay) {
          // Append new upstream bytes into the buffer. Trim it to its max size.
          buffer.write(upstreamBuffer, upstreamBytesRead)

  override fun timeout(): Timeout = timeout

  @SuppressWarnings("CloneDoesntCallSuperClone") // We are a final type & this saves clearing state.
  override fun clone(): Call = RealCall(client, originalRequest, forWebSocket)

  override fun request(): Request = originalRequest

  /**
   * Immediately closes the socket connection if it's currently held. Use this to interrupt an

    is a view of what created it, we use _as_.
 *  Fix: Permit response codes of zero for compatibility with OkHttp 3.x.
 *  Fix: Change the return type of `MockWebServer.takeRequest()` to be nullable.
 *  Fix: Make `Call.clone()` public to Kotlin callers.


## Version 4.0.0-RC1

_2019-06-03_

 *  First stable preview of OkHttp 4.


## Version 3.x

[Change log](https://square.github.io/okhttp/changelog_3x/)

    fun clearHeaders() =
      apply {
        headers = Headers.Builder()
      }

    /**
     * Adds [header] as an HTTP header. For well-formed HTTP [header] should contain a name followed
     * by a colon and a value.
     */
    fun addHeader(header: String) =
      apply {
        headers.add(header)
      }

    /**

            // broken SPDY versions of the response cache).
            addLenient("", line.substring(1)) // Empty header name.
          }
          else -> {
            // No header name.
            addLenient("", line)
          }
        }
      }

    /** Add an header line containing a field name, a literal colon, and a value. */
    fun add(line: String) =

	public final fun chunkedBody (Lokio/Buffer;I)Lmockwebserver3/MockResponse$Builder;
	public final fun clearHeaders ()Lmockwebserver3/MockResponse$Builder;
	public synthetic fun clone ()Ljava/lang/Object;
	public fun clone ()Lmockwebserver3/MockResponse$Builder;
	public final fun code (I)Lmockwebserver3/MockResponse$Builder;
	public final fun getBody ()Lmockwebserver3/MockResponseBody;
	public final fun getCode ()I

}

/** Returns an immutable list containing [elements]. */
@SafeVarargs
internal fun <T> immutableListOf(vararg elements: T): List<T> {
  return Collections.unmodifiableList(listOf(*elements.clone()))
}

/** Closes this, ignoring any checked exceptions. */
internal fun Socket.closeQuietly() {
  try {
    close()
  } catch (e: AssertionError) {
    throw e
  } catch (rethrown: RuntimeException) {

         .add("*.publicobject.com", "sha1/T5x9IXmcrQ7YuQxXnxoCmeeQ84c=")
         .build());
    ```

 *  **Interceptors lists are now deep-copied by `OkHttpClient.clone()`.**
    Previously clones shared interceptors, which made it difficult to customize
    the interceptors on a request-by-request basis.

 *  New: `Headers.toMultimap()`.