*     .sslSocketFactory(sslSocketFactory, trustManager)
     *     .build();
     * ```
     *
     * ## TrustManagers on Android are Weird!
     *
     * Trust managers targeting Android must also define a method that has this signature:
     *
     * ```java
     *    @SuppressWarnings("unused")
     *    public List<X509Certificate> checkServerTrusted(