*
 *  2. If there is a connection in the pool that can satisfy the request it is used. Note that it is
 *     possible for shared exchanges to make requests to different host names! See
 *     [RealConnection.isEligible] for details.
 *
 *  3. Attempt plans from prior connect attempts for this call. These occur as either follow-ups to
 *     failed connect attempts (such as trying the next [ConnectionSpec]), or as attempts that lost

      val acquired =
        connection.withLock {
          when {
            requireMultiplexed && !connection.isMultiplexed -> false
            !connection.isEligible(address, routes) -> false
            else -> {
              connectionUser.acquireConnectionNoEvents(connection)
              true
            }
          }
        }
      if (!acquired) continue

        }

        return null
      }

      HTTP_MISDIRECTED_REQUEST -> {
        // OkHttp can coalesce HTTP/2 connections even if the domain names are different. See
        // RealConnection.isEligible(). If we attempted this and the server returned HTTP 421, then
        // we can retry on a different connection.
        val requestBody = userResponse.request.body
        if (requestBody != null && requestBody.isOneShot()) {

    http2Connection.start()
  }

  /**
   * Returns true if this connection can carry a stream allocation to `address`. If non-null
   * `route` is the resolved route for a connection.
   */
  internal fun isEligible(
    address: Address,
    routes: List<Route>?,
  ): Boolean {
    assertLockHeld()

    // If this connection is not accepting new exchanges, we're done.

HSPLokhttp3/internal/connection/RealConnection;->isEligible$okhttp(Lokhttp3/Address;Ljava/util/List;)Z
HSPLokhttp3/internal/connection/RealConnection;->isHealthy(Z)Z
HSPLokhttp3/internal/connection/RealConnection;->isMultiplexed$okhttp()Z