code: function _gpfDefineRead$TypedProperties (definition) {
      var ResultEntityBuilder;
      _gpfObjectForEach(_gpfDefineTypedBuilders, function (TypedEntityBuilder, type) {
          if (definition["$" + type]) {
              ResultEntityBuilder = TypedEntityBuilder;
          }
      });
      return ResultEntityBuilder;
  }
docs: Search for type specific properties ($class...) and return associated builder function
  
  @param {Object} definition Entity definition literal object
  @return {Function|undefined} Entity builder or undefined
  @since 0.1.6