How to use the @uifabric/experiments/lib/Shimmer.ShimmerElementType.line function in @uifabric/experiments

private _getCustomElementsExampleOne = (): JSX.Element => {
    return (
      <div style="{{">
        
        
      </div>
    );
  };

private _getCustomElementsExampleOne = (): JSX.Element => {
    return (
      <div style="{{">
        
        
      </div>
    );
  };

private _getCustomElements = (): JSX.Element => {
    return (
      <div style="{{">
        
        
      </div>
    );
  };
}

public render(): JSX.Element {
    return (
      <div>
        Basic Shimmer with no elements provided. It defaults to a line of 16px height.
        
        
        
        Basic Shimmer with elements provided.
        
        
        </div>