suspend fun Call.executeAsync(): Response =
  suspendCancellableCoroutine { continuation ->
    continuation.invokeOnCancellation {
      this.cancel()
    }
    this.enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          continuation.resumeWithException(e)
        }

        override fun onResponse(
          call: Call,

  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

  const val FLAG_NONE = 0x0
  const val FLAG_ACK = 0x1 // Used for settings and ping.
  const val FLAG_END_STREAM = 0x1 // Used for headers and data.
  const val FLAG_END_HEADERS = 0x4 // Used for headers and continuation.
  const val FLAG_END_PUSH_PROMISE = 0x4
  const val FLAG_PADDED = 0x8 // Used for headers and data.

        }
      }

      if (isFinalFrame) break // We are exhausted and have no continuations.

      readUntilNonControlFrame()
      if (opcode != OPCODE_CONTINUATION) {
        throw ProtocolException("Expected continuation opcode. Got: ${opcode.toHexString()}")
      }
    }
  }

  @Throws(IOException::class)
  override fun close() {
    messageInflater?.close()
  }

        val continuationFqName = StandardClassIds.Continuation.asSingleFqName()
        val foundClasses = resolveSession.getTopLevelClassifierDescriptors(continuationFqName, NoLookupLocation.FROM_IDE)
        return foundClasses.firstOrNull()?.typeConstructor
            ?: FAKE_CONTINUATION_CLASS_DESCRIPTOR.typeConstructor
    }

* ✨ Support `dataclasses` in responses. PR [#3576](https://github.com/tiangolo/fastapi/pull/3576) by [@tiangolo](https://github.com/tiangolo), continuation from initial PR [#2722](https://github.com/tiangolo/fastapi/pull/2722) by [@amitlissack](https://github.com/amitlissack).

### Docs

  fun flagOverlapOn0x4() {
    assertThat(frameLog(true, 3, 10000, TYPE_HEADERS, 0x4))
      .isEqualTo("<< 0x00000003 10000 HEADERS       END_HEADERS")
    assertThat(frameLog(true, 3, 10000, TYPE_CONTINUATION, 0x4))
      .isEqualTo("<< 0x00000003 10000 CONTINUATION  END_HEADERS")
    assertThat(frameLog(true, 4, 10000, TYPE_PUSH_PROMISE, 0x4))
      .isEqualTo("<< 0x00000004 10000 PUSH_PROMISE  END_PUSH_PROMISE")
  }

  @Test

    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.write(headerBlock, Http2.INITIAL_MAX_FRAME_SIZE.toLong())

    // Write the continuation frame, specifying no more frames are expected.
    writeMedium(frame, headerBlock.size.toInt())
    frame.writeByte(Http2.TYPE_CONTINUATION)
    frame.writeByte(FLAG_END_HEADERS)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.writeAll(headerBlock)

public final class okhttp3/coroutines/ExecuteAsyncKt {
	public static final fun executeAsync (Lokhttp3/Call;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;

111DB         ; valid                  ;      ; NV8    # 8.0  SHARADA SIGN SIDDHAM
111DC         ; valid                                  # 8.0  SHARADA HEADSTROKE
111DD..111DF  ; valid                  ;      ; NV8    # 8.0  SHARADA CONTINUATION SIGN..SHARADA SECTION MARK-2
111E0         ; disallowed                             # NA   <reserved-111E0>

  private fun readHeaderBlock(
    length: Int,
    padding: Int,
    flags: Int,
    streamId: Int,
  ): List<Header> {
    continuation.left = length
    continuation.length = continuation.left
    continuation.padding = padding
    continuation.flags = flags
    continuation.streamId = streamId

    // TODO: Concat multi-value headers with 0x0, except COOKIE, which uses 0x3B, 0x20.