code: function _gpfDefClassAttrBuild (member, attribute, newPrototype) {
      /*jshint validthis:true*/
      var attributeEntityDefinition = _gpfDefineEntitiesFindByConstructor(attribute.constructor);
      if (!attributeEntityDefinition._singleton) {
          attribute._memberName = member;
          attribute._ClassConstructor = newPrototype.constructor;
      }
      attribute._build(member, this, newPrototype); //eslint-disable-line no-invalid-this
  }
docs: Build attribute
  
  @param {String} member Member name
  @param {gpf.attributes.Attribute} attribute Attribute
  @param {Object} newPrototype Class prototype
  @since 0.2.9