if (scheme != null) {
          append(scheme)
          append("://")
        } else {
          append("//")
        }

        if (encodedUsername.isNotEmpty() || encodedPassword.isNotEmpty()) {
          append(encodedUsername)
          if (encodedPassword.isNotEmpty()) {
            append(':')
            append(encodedPassword)
          }
          append('@')

    `Cache.urls()` would prevent in-flight entries from being written.


## Version 3.14.3

_2019-09-10_

 *  Fix: Don't lose HTTP/2 flow control bytes when incoming data races with a stream close. If this
    happened enough then eventually the connection would stall.

 *  Fix: Acknowledge and apply inbound HTTP/2 settings atomically. Previously we had a race where we