How to use the @patternfly/react-table.headerCol function in @patternfly/react-table

constructor(props: TableProps) {
    super(props);
    this.state = {
      columns: [
        { title: 'Header cell', cellTransforms: [headerCol('selectable')] },
        'Branches',
        { title: 'Pull requests' },
        'Workspaces',
        'Last Commit'
      ],
      rows: [['one', 'two', 'three', 'four', 'five']]
    };
  }

constructor(props: TableProps) {
    super(props);
    this.state = {
      columns: [
        { title: 'Repositories', cellTransforms: [headerCol()] },
        'Branches',
        { title: 'Pull requests' },
        'Workspaces',
        'Last Commit'
      ],
      rows: [
        {
          cells: ['one', 'two', 'a', 'four', 'five']
        },
        {
          cells: ['a', 'two', 'k', 'four', 'five']
        },
        {
          cells: ['p', 'two', 'b', 'four', 'five'],
          disableActions: true
        }

constructor(props: TableProps) {
    super(props);
    this.state = {
      columns: [
        { title: 'Repositories', cellTransforms: [headerCol()] },
        'Branches',
        { title: 'Pull requests' },
        'Workspaces',
        'Last Commit'
      ],
      rows: [
        {
          cells: ['one', 'two', 'a', 'four', 'five'],
          selected: false
        },
        {
          cells: ['a', 'two', 'k', 'four', 'five'],
          selected: false
        },
        {
          cells: ['p', 'two', 'b', 'four', 'five'],

constructor(props) {
    super(props);
    this.state = {
      columns: [
        { title: 'Header cell', cellTransforms: [headerCol('selectable')] },
        'Branches',
        { title: 'Pull requests' },
        'Workspaces',
        'Last Commit'
      ],
      rows: [['one', 'two', 'three', 'four', 'five']]
    };
  }

constructor(props: TableProps) {
    super(props);
    this.state = {
      columns: [
        { title: 'Repositories', cellTransforms: [headerCol()] },
        'Branches',
        { title: 'Pull requests' },
        'Workspaces',
        'Last Commit'
      ],
      rows: [
        {
          cells: ['one', 'two', 'a', 'four', 'five'],
          type: 'green'
        },
        {
          cells: ['a', 'two', 'k', 'four', 'five']
        },
        {
          cells: ['p', 'two', 'b', 'four', 'five'],
          type: 'blue'