* Returns list of matching certificates' pins for the hostname. Returns an empty list if the
   * hostname does not have pinned certificates.
   */
  fun findMatchingPins(hostname: String): List<Pin> = pins.filterList { matchesHostname(hostname) }

  /** Returns a certificate pinner that uses `certificateChainCleaner`. */
  internal fun withCertificateChainCleaner(certificateChainCleaner: CertificateChainCleaner): CertificatePinner =

    )
    assertEquals("sha256", pin.hashAlgorithm)
    assertEquals("**.example.co.uk", pin.pattern)
    Assertions.assertTrue(pin.matchesHostname("www.example.co.uk"))
    Assertions.assertTrue(pin.matchesHostname("gopher.example.co.uk"))
    Assertions.assertFalse(pin.matchesHostname("www.example.com"))
  }

  @Test
  fun testMatchesSha256() {
    val pin = CertificatePinner.Pin("example.com", certA1Sha256Pin)