text: import DiscreteLegend from './discrete-legend';
  import GradientLegend from './gradient-legend';
  import SimpleLegend from './simple-legend';
  import StepLegend from './step-legend';
  
  export {
      DiscreteLegend,
      GradientLegend,
      SimpleLegend,
      StepLegend
  };
  