/**
   * Returns the number of additional elements that this queue can ideally (in the absence of memory
   * or resource constraints) accept without blocking. This is always equal to the initial capacity
   * of this queue less the current {@code size} of this queue.
   *
   * <p>Note that you cannot always tell if an attempt to insert an element will succeed by

      source = continuation,
      headerTableSizeSetting = 4096,
    )

  @Throws(IOException::class)
  fun readConnectionPreface(handler: Handler) {
    if (client) {
      // The client reads the initial SETTINGS frame.
      if (!nextFrame(true, handler)) {
        throw IOException("Required SETTINGS preface not received")
      }
    } else {
      // The server reads the CONNECTION_PREFACE byte string.

    if (log2 < Double.MAX_EXPONENT) {
      sqrt0 = sqrtApproxWithDoubles(x);
    } else {
      int shift = (log2 - DoubleUtils.SIGNIFICAND_BITS) & ~1; // even!
      /*
       * We have that x / 2^shift < 2^54. Our initial approximation to sqrtFloor(x) will be
       * 2^(shift/2) * sqrtApproxWithDoubles(x / 2^shift).
       */
      sqrt0 = sqrtApproxWithDoubles(x.shiftRight(shift)).shiftLeft(shift >> 1);
    }

    compressed file (like a JAR or APK), so compressing its internal data was redundant.

 *  Fix: Call `ProxySelector.connectFailed()` when a connection's initial TCP handshake fails.

 *  Fix: Change the signature of `Dispatcher` to accept a nullable `ExecutorService`. Changing this
    parameter to be non-null was an unintended signature change in OkHttp 4.0.

}

// JSON is a wrapper around a T object that can be serialized.
// There is an internal value
type JSON[T any] struct {
	p   *JSONPool[T]
	val *T
}

// NewJSON returns a new JSONPool.
// No initial value is set.
func (p *JSONPool[T]) NewJSON() *JSON[T] {
	var j JSON[T]
	j.p = p
	return &j
}

// NewJSONWith returns a new JSON with the provided value.

    return new Builder(initialCapacity);
  }

  /**
   * Returns a new, empty builder for {@link ImmutableLongArray} instances, with a default initial
   * capacity. The returned builder is not thread-safe.
   *
   * <p><b>Performance note:</b> The {@link ImmutableLongArray} that is built will very likely

    return new Builder(initialCapacity);
  }

  /**
   * Returns a new, empty builder for {@link ImmutableIntArray} instances, with a default initial
   * capacity. The returned builder is not thread-safe.
   *
   * <p><b>Performance note:</b> The {@link ImmutableIntArray} that is built will very likely occupy

    settingsListenerQueue.shutdown()
  }

  private fun failConnection(e: IOException?) {
    close(ErrorCode.PROTOCOL_ERROR, ErrorCode.PROTOCOL_ERROR, e)
  }

  /**
   * Sends any initial frames and starts reading frames from the remote peer. This should be called
   * after [Builder.build] for all new connections.
   *

  // for created operations.
  const char* name;
} TF_WhileParams;

// Creates a TF_WhileParams for creating a while loop in `g`. `inputs` are
// outputs that already exist in `g` used as initial values for the loop
// variables.
//
// The returned TF_WhileParams will have all fields initialized except
// `cond_output`, `body_outputs`, and `name`. The `body_outputs` buffer will be

   * won't cause a rehash.
   *
   * <p>As of jdk7u40, HashMap has an empty-map optimization. The argument to new HashMap(int) is
   * noted, but the initial table is a zero-length array.
   *
   * <p>This test may fail miserably on non-OpenJDK environments...
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection