val certificates = (chain as List<X509Certificate>).toTypedArray()
    try {
      return x509TrustManagerExtensions.checkServerTrusted(certificates, "RSA", hostname)
    } catch (ce: CertificateException) {
      throw SSLPeerUnverifiedException(ce.message).apply { initCause(ce) }
    }
  }

  override fun equals(other: Any?): Boolean =
    other is AndroidCertificateChainCleaner &&
      other.trustManager === this.trustManager