code: private boolean isSSLRequired(HttpConstraintElement httpConstraint) {
          boolean sslRequired = false;
          TransportGuarantee transportGuarantee = httpConstraint.getTransportGuarantee();
          if (transportGuarantee != TransportGuarantee.NONE) {
              sslRequired = true;
          }
          return sslRequired;
      }
docs: Determines if SSL is required for the given HTTP constraint.
  
  SSL is required if the transport guarantee is any value other than NONE.
  
  @param httpConstraint the element representing the information in the @HttpConstraint annotation
  @return true if SSL is required, otherwise false