// Flow control was designed more for servers, or proxies than edge clients. If we are a client,
      // set the flow control window to 16MiB.  This avoids thrashing window updates every 64KiB, yet
      // small enough to avoid blowing up the heap.
      if (builder.client) {
        set(Settings.INITIAL_WINDOW_SIZE, OKHTTP_CLIENT_WINDOW_SIZE)
      }
    }

  /**

    var finished: Boolean = false,
  ) : Sink {
    /**
     * Buffer of outgoing data. This batches writes of small writes into this sink as larges frames
     * written to the outgoing connection. Batching saves the (small) framing overhead.
     */
    private val sendBuffer = Buffer()

    /** Trailers to send at the end of the stream. */
    var trailers: Headers? = null

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import okio.BufferedSink

/**
 * An IDNA mapping table optimized for small code and data size.
 *
 * Code Points in Sections
 * =======================
 *
 * The full range of code points is 0..0x10fffe. We can represent any of these code points with 21
 * bits.
 *

02A9..02AD    ; valid                                  # 3.0  LATIN SMALL LETTER FENG DIGRAPH..LATIN LETTER BIDENTAL PERCUSSIVE
02AE..02AF    ; valid                                  # 4.0  LATIN SMALL LETTER TURNED H WITH FISHHOOK..LATIN SMALL LETTER TURNED H WITH FISHHOOK AND TAIL
02B0          ; mapped                 ; 0068          # 1.1  MODIFIER LETTER SMALL H

          latch.countDown()
        }
      },
    )
    latch.await()
    // There's some flakiness when triggering a GC for objects in a separate thread. Adding a
    // small delay appears to ensure the objects will get GC'd.
    Thread.sleep(200)
    awaitGarbageCollection()
    val message = testLogHandler.take()
    assertThat(message).contains(