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import * as React from 'react';

​

private renderCustomTreeItem(item: ITreeItem): JSX.Element {

  return (

    <span>

      {

        item.iconProps &&

        <i className={"ms-Icon ms-Icon--" + item.iconProps.iconName} style={{ paddingRight: '4px' }} />

      }

      {item.label}

    </span>

  );

}