content: import React from 'react';
  import TableSelectionHeaderCell from '../Components/TableSelectionHeaderCell';
  
  export default (selectionController, label) => (
    <TableSelectionHeaderCell
      label={label}
      checked={selectionController.allPageSelected()}
      disabled={!selectionController.permissions.edit}
      onChange={selectionController.selectPage}
    />
  );
  