text: let concept = window.customElements.get('concept-');
  
   customElements.define('context-',  class extends concept {
  
   		constructor(...args) {
   			return super(...args)
   		}
  
   		connectedCallback() { 
   			this.render();
   		}
  
  		render() {
   			return 'test'
   		}
  
   })