<T> T exchange(URI url, HttpMethod method, Object content,
      Class<T> responseType) {
    HttpHeaders headers = new HttpHeaders();
    addHeaderValues(headers);

    HttpEntity<Object> httpEntity = new HttpEntity<>(content, headers);

    final ResponseEntity<T> response = restTemplate.exchange(url, method, httpEntity, responseType);
    return response.getBody();
  }
Gets an instance of the Spring RestTemplate to perform the HTTP operations.
<p>

@return an instance of the Spring RestTemplate for performing HTTP operations.
@see org.springframework.web.client.RestTemplate
geode-gfsh/src/main/java/org/apache/geode/management/internal/web/http/support/HttpRequester.java