text: 
  define(
      [],
      function () {
  
          /**
           * Policy allowing composition only for domain object types which
           * have a composition property.
           * @constructor
           * @memberof platform/containment
           * @implements {Policy.<Type, Type>}
           */
          function CompositionModelPolicy() {
          }
  
          CompositionModelPolicy.prototype.allow = function (candidate) {
              var candidateType = candidate.getCapability('type');
  
              return Array.isArray(
                  (candidateType.getInitialModel() || {}).composition
              );
          };
  
          return CompositionModelPolicy;
      }
  );
  