code: @Deprecated
      public static SslContext newClientContext(SslProvider provider) throws SSLException {
          return newClientContext(provider, null, null);
      }
docs: Creates a new client-side {@link SslContext}.
  
  @param provider the {@link SslContext} implementation to use.
  {@code null} to use the current default one.
  
  @return a new client-side {@link SslContext}
  @deprecated Replaced by {@link SslContextBuilder}