code: private boolean isZonesSatisfied() {
          boolean zonesSatisfied = false;
          if(pipelineData.getZonesRequired() == null) {
              zonesSatisfied = true;
          } else {
              int numZonesSatisfied = pipelineData.getZoneResponses().size();
              if(numZonesSatisfied >= (pipelineData.getZonesRequired() + 1)) {
                  zonesSatisfied = true;
              }
          }
          return zonesSatisfied;
      }
docs: Check if zone count policy is satisfied
  
  @return whether zone is satisfied