private boolean isGzip(Collection<String> contentEncodingValues) {
      return contentEncodingValues != null
          && !contentEncodingValues.isEmpty()
          && contentEncodingValues.contains(ENCODING_GZIP);
    }
Create a new client.

@param sslContextFactory SSLSocketFactory for secure https URL connections.
@param hostnameVerifier the host name verifier.
@param disableRequestBuffering Disable the request body internal buffering for {@code
    HttpURLConnection}.
core/src/main/java/feign/Client.java