assertThat(stream.takeHeaders()).isEqualTo(headersOf("headers", "bam"))
    connection.writePingAndAwaitPong()
    assertThat(stream.trailers()).isEqualTo(headersOf("trailers", "boom"))
    assertThat(connection.openStreamCount()).isEqualTo(0)

    // Verify the peer received what was expected.
    val synStream = peer.takeFrame()
    assertThat(synStream.type).isEqualTo(Http2.TYPE_HEADERS)

    ```
    OkHttpClient client = new OkHttpClient.Builder()
        .connectionSpecs(Arrays.asList(ConnectionSpec.COMPATIBLE_TLS))
        .build();
    ```

 *  New: You can now access HTTP trailers with `Response.trailers()`. This method may only be called
    after the entire HTTP response body has been read.

 *  New: Upgrade to Okio 1.17.3. If you're on Kotlin-friendly Okio 2.x this release requires 2.2.2
    or newer.

	public final fun receivedResponseAtMillis ()J
	public final fun request ()Lokhttp3/Request;
	public final fun sentRequestAtMillis ()J
	public fun toString ()Ljava/lang/String;
	public final fun trailers ()Lokhttp3/Headers;
}

public class okhttp3/Response$Builder {
	public fun <init> ()V
	public fun addHeader (Ljava/lang/String;Ljava/lang/String;)Lokhttp3/Response$Builder;