How to use the ember-cli-page-object.isHidden function in ember-cli-page-object

import {
  clickable,
  collection,
  create,
  hasClass,
  isHidden
} from 'ember-cli-page-object';

const definition = {
  prevIsHidden: isHidden('.prev-link'),
  nextIsHidden: isHidden('.next-link'),
  prevDisabled: hasClass('inactive', '.prev-link'),
  nextDisabled: hasClass('inactive', '.next-link'),
  clickPrev: clickable('.prev-link'),
  clickNext: clickable('.next-link'),
  clickLastPage: clickable('.page-button:last'),
  pageLinks: collection('.page-button')
};

export default definition;
export const component = create(definition);

create,
  attribute,
  visitable,
  clickable,
  collection,
  isHidden,
  isVisible,
  fillable,
  isPresent
} from 'ember-cli-page-object';
import { selectChoose } from 'ember-power-select/test-support';

export default create({
  visit: visitable(':owner/:repo'),
  popupIsHidden: isHidden('.trigger-build-modal'),
  popupTriggerLinkIsHidden: isHidden('.option-dropdown .trigger-build-anchor'),
  popupTriggerLinkIsPresent: isPresent('.option-dropdown .trigger-build-anchor'),
  openPopup: clickable('.option-dropdown .trigger-build-anchor'),
  popupIsVisible: isVisible('.trigger-build-modal'),

  selectBranch(branch) {
    selectChoose('[data-test-trigger-build-branch]', branch);
  },

  branches: collection('#trigger-build-branches option', {
    value: attribute('value')
  }),

  writeMessage: fillable('[data-test-trigger-build-message] input'),
  writeConfig: fillable('[data-test-trigger-build-config] textarea'),
  clickSubmit: clickable('[data-test-trigger-build-submit]')
});

import {
  clickable,
  collection,
  create,
  isHidden,
  isVisible,
  text
} from 'ember-cli-page-object';

const definition = {
  courseTitle: text('.course-title-link'),
  sessions: collection('.session-title-link'),
  showMoreIsVisible: isVisible('.show-more'),
  showMoreIsHidden: isHidden('.show-more'),
  showMore: clickable('.show-more')
};

export default definition;
export const component = create(definition);

import { text, isHidden, property } from 'ember-cli-page-object';

export default {
  scope: '.user-sidebar',

  name: text('.name'),

  biography: text('p.biography'),
  biographyIsHidden: isHidden('li.twitter'),

  twitterHandle: text('li.twitter'),
  twitterHandleHidden: isHidden('li.twitter'),
  twitterLink: property('href', 'li.twitter a'),

  website: text('li.website'),
  websiteHidden: isHidden('li.website'),
  websiteLink: property('href', 'li.website a'),

  username: text('.username')
};

import {
  create,
  contains,
  visitable,
  text,
  isHidden
} from 'ember-cli-page-object';

export default create({
  visit: visitable('/non-existent/repository'),
  showsBarricadeIllustration: contains('svg', { scope: '.page-graphic' }),
  errorMessage: text('.missing-notice .page-title'),
  errorMessageProisHidden: isHidden('.missing-notice p'),
  errorMessageProUnauthenticated: contains('.missing-notice p')
});

import { text, isHidden, property } from 'ember-cli-page-object';

export default {
  scope: '.user-sidebar',

  name: text('.name'),

  biography: text('p.biography'),
  biographyIsHidden: isHidden('li.twitter'),

  twitterHandle: text('li.twitter'),
  twitterHandleHidden: isHidden('li.twitter'),
  twitterLink: property('href', 'li.twitter a'),

  website: text('li.website'),
  websiteHidden: isHidden('li.website'),
  websiteLink: property('href', 'li.website a'),

  username: text('.username')
};

import {
  create,
  hasClass,
  text,
  clickable,
  isVisible,
  isHidden
} from 'ember-cli-page-object';

export default create({
  configTab: {
    click: clickable('#tab_config'),
    contents: text('#config_pre'),
    active: hasClass('active', '#tab_config'),
    isHidden: isHidden('#config_pre'),
    isShowing: isVisible('#config_pre')
  },
  logTab: {
    isShowing: isVisible('.job-log'),
    isHidden: isHidden('.job-log'),
    active: hasClass('active', '#tab_log')
  }
  
});

},

      commonIntro: {
        scope: '[data-test-common-intro]',
        isPresent: isPresent()
      },

      step1Intro: {
        scope: '[data-test-step1-intro]',
        isPresent: isPresent()
      },

      activateButton: {
        scope: '[data-test-activate-button]',
        isPresent: isPresent(),
        isHidden: isHidden(),
        click: clickable()
      },

      manualNote: {
        scope: '[data-test-manual-note]',
        isPresent: isPresent()
      },

      step2Intro: {
        scope: '[data-test-step2-intro]',
        isPresent: isPresent()
      },

      activateLink: {
        scope: '[data-test-activate-link]',
        isPresent: isPresent(),

href: attribute('href')
        }
      }),
      invoiceTableHeaders: collection('[data-test-table-header-row] th'),

      invoiceSelectYear: {
        scope: '[data-test-invoice-select-year]'
      }
    },
  },

  migrate: {
    visit: clickable('li[data-test-migrate-tab] a'),

    isPresent: isPresent('li[data-test-migrate-tab]'),
    isHidden: isHidden('li[data-test-migrate-tab]'),

    page: {
      scope: '[data-test-migrate-page]',

      title: {
        scope: '[data-test-title]',
        isPresent: isPresent()
      },

      commonIntro: {
        scope: '[data-test-common-intro]',
        isPresent: isPresent()
      },

      step1Intro: {
        scope: '[data-test-step1-intro]',