assertThat(response.trailers()).isEqualTo(headersOf("t1", "v1"))
  }

  @Test
  fun peekTrailersHttp1() {
    peekTrailers(Protocol.HTTP_1_1)
  }

  @Test
  fun peekTrailersHttp2() {
    peekTrailers(Protocol.HTTP_2)
  }

  private fun peekTrailers(protocol: Protocol) {
    val responseBody = "a".repeat(OKHTTP_CLIENT_WINDOW_SIZE)
    enableProtocol(protocol)

    server.enqueue(

          newFixedLengthSource(response.request.url, contentLength)
        } else {
          newUnknownLengthSource(response.request.url)
        }
      }
    }

  override fun peekTrailers(): Headers? {
    if (trailers === TRAILERS_RESPONSE_BODY_TRUNCATED) {
      throw IOException("Trailers cannot be read because the response body was truncated")
    }

	public final fun networkResponse ()Lokhttp3/Response;
	public final fun newBuilder ()Lokhttp3/Response$Builder;
	public final fun peekBody (J)Lokhttp3/ResponseBody;
	public final fun peekTrailers ()Lokhttp3/Headers;
	public final fun priorResponse ()Lokhttp3/Response;
	public final fun protocol ()Lokhttp3/Protocol;
	public final fun receivedResponseAtMillis ()J
	public final fun request ()Lokhttp3/Request;

	public final fun networkResponse ()Lokhttp3/Response;
	public final fun newBuilder ()Lokhttp3/Response$Builder;
	public final fun peekBody (J)Lokhttp3/ResponseBody;
	public final fun peekTrailers ()Lokhttp3/Headers;
	public final fun priorResponse ()Lokhttp3/Response;
	public final fun protocol ()Lokhttp3/Protocol;
	public final fun receivedResponseAtMillis ()J
	public final fun request ()Lokhttp3/Request;

    interruptions well. This is now fixed.

 *  Upgrade: [Kotlin 2.2.20][kotlin_2_2_20].
 *  Upgrade: [Okio 3.16.0][okio_3_16_0].


## Version 5.1.0

_2025-07-07_

 *  New: `Response.peekTrailers()`. When we changed `Response.trailers()` to block instead of
    throwing in 5.0.0, we inadvertently removed the ability for callers to peek the trailers