text: class GenderRenderer {
      init(params) {
          this.eGui = document.createElement('span');
          var img = params.value === 'Male' ? 'male.png' : 'female.png';
          this.eGui.innerHTML = `<img src="https://www.ag-grid.com/example-assets/genders/${img}"/> ${params.value}`;
      }
  
      getGui() {
          return this.eGui;
      }
  }
  
  