Podrías crear una API con una *path operation* que podría desencadenar un request a una *API externa* creada por alguien más (probablemente el mismo desarrollador que estaría *usando* tu API).

        return new GeoInfo(request);
    }

    /**
     * The search request type.
     */
    public enum SearchRequestType {
        /** Search request type. */
        SEARCH,
        /** Admin search request type. */
        ADMIN_SEARCH,
        /** JSON request type. */
        JSON,
        /** GSA request type. */
        GSA,
        /** Suggest request type. */
        SUGGEST;

    sendRequest(client, "https://google.com/robots.txt");
  }

  private void sendRequest(OkHttpClient client, String url) throws IOException {
    Request request = new Request.Builder()
            .url(url)
            .build();
    try (Response response = client.newCall(request).execute()) {
      assertTrue(response.code() == 200 || response.code() == 404);
      assertEquals(Protocol.HTTP_2, response.protocol());

        }
      }

    // Make the first request waiting until we get our auth challenge.
    val request = Request(server.url("/"))
    blockingAuthClient.newCall(request).enqueue(callback)
    val response1 = responses.take()
    assertThat(response1).isEqualTo("")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)

}

// Returns access credentials in the request Authorization header.
func getReqAccessCred(r *http.Request, region string) (cred auth.Credentials) {
	cred, _, _ = getReqAccessKeyV4(r, region, serviceS3)
	if cred.AccessKey == "" {
		cred, _, _ = getReqAccessKeyV2(r)
	}
	return cred
}

// Extract request params to be sent with event notification.
func extractReqParams(r *http.Request) map[string]string {
	if r == nil {

    /**
     * Processes the CORS request by setting appropriate headers.
     *
     * @param origin the origin of the request
     * @param request the servlet request
     * @param response the servlet response
     */
    public abstract void process(String origin, ServletRequest request, ServletResponse response);

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Cancel request message.
 *
 * This command is used to cancel a previously sent command
 * that is still being processed by the server.
 *
 * @author mbechler
 */
public class Smb2CancelRequest extends ServerMessageBlock2 implements CommonServerMessageBlockRequest {

    /**
     * Constructs a SMB2 cancel request
     *
     * @param config

     *
     * @param request the multi-search request
     * @return a future for the multi-search response
     */
    @Override
    public ActionFuture<MultiSearchResponse> multiSearch(final MultiSearchRequest request) {
        return client.multiSearch(request);
    }

    /**
     * Executes a multi-search request asynchronously with a callback.
     *

    private final int maxReferralLevel;
    private final String path;

    /**
     * Constructs a DFS referral request buffer
     *
     * @param filename the DFS path to request referral for
     * @param maxReferralLevel the maximum referral level to request
     */
    public DfsReferralRequestBuffer(final String filename, final int maxReferralLevel) {
        this.path = filename;

    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
  </filter-mapping>

  <filter-mapping>
    <filter-name>corsFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
  </filter-mapping>

  <filter-mapping>
    <filter-name>webApiFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
  </filter-mapping>