@POST @ApiIgnore // until documented
  @Produces("text/plain")
  public Response createStages(String body, @Context HttpHeaders headers, @Context UriInfo ui) {

    return handleRequest(headers, body, ui, Request.Type.POST, createStageResource(m_clusterName, m_requestId, null));
  }
Handles: POST /clusters/{clusterId}/requests/{requestId}/stages or /requests/{requestId}/stages
Create multiple services.

@param body        http body
@param headers     http headers
@param ui          uri info
@return information regarding the created services
ambari-server/src/main/java/org/apache/ambari/server/api/services/StageService.java