How to use the @blueprintjs/table.RegionCardinality.CELLS function in @blueprintjs/table

type="button"
            icon="maximize"
            disabled={rows === 0 || disabled.enter}
            onClick={this.enterJson}
          >
            Enter JSON
          
          <button disabled="{step.length">Leave</button>
        
        <div style="{{clear:">
         console.log('handleOnSelect', x)}
          selectionModes={[RegionCardinality.CELLS]}
          rowHeaderCellRenderer={this.renderRowHeaderCell}
          enableColumnReordering
          enableFocusedCell
        &gt;
          {headers.map((header, i) =&gt;
            ,
          )}
        <table></table>
        <button disabled="">
      </button></div>
    )

<button disabled="{rows" type="button">
            Enter JSON
          </button>
          <button disabled="{step.length">Leave</button>
        
        <div style="{{clear:">
        
          {headers.map((header, i) =&gt;
            ,
          )}
        <table></table>
      </div>
    )
  }