code: function Part(name, priority, urlTemplate) {
      this.name = name;
      this.isActive = true;
      this.tables = {};
      this.priority = priority || 0;
      this.langPromises = {};
      this.urlTemplate = urlTemplate;
    }
docs: @constructor
  @name Part
  
  @description
  Represents Part object to add and set parts at runtime.