How to use the @uifabric/styling.registerIcons function in @uifabric/styling

'Devices4': '\uEB66',
      'AzureLogo': '\uEB6A',
      'BingLogo': '\uEB6B',
      'MSNLogo': '\uEB6C',
      'OutlookLogoInverse': '\uEB6D',
      'OfficeLogo': '\uEB6E',
      'SkypeLogo': '\uEB6F',
      'Door': '\uEB75',
      'EditMirrored': '\uEB7E',
      'GiftCard': '\uEB8E',
      'DoubleBookmark': '\uEB8F',
      'StatusErrorFull': '\uEB90'
    }
  };

  registerIcons(subset, options);
}

'CaretUp8': '\uEDD7',
      'CaretDown8': '\uEDD8',
      'CaretLeftSolid8': '\uEDD9',
      'CaretRightSolid8': '\uEDDA',
      'CaretUpSolid8': '\uEDDB',
      'CaretDownSolid8': '\uEDDC',
      'ClearFormatting': '\uEDDD',
      'Superscript': '\uEDDE',
      'Subscript': '\uEDDF',
      'Strikethrough': '\uEDE0',
      'Export': '\uEDE1',
      'ExportMirrored': '\uEDE2'
    }
  };

  registerIcons(subset, options);
}

Descending: '\uEDC1',
      SortUp: '\uEE68',
      SortDown: '\uEE69',
      SyncToPC: '\uEE6E',
      LargeGrid: '\uEECB',
      SkypeCheck: '\uEF80',
      SkypeClock: '\uEF81',
      SkypeMinus: '\uEF82',
      ClearFilter: '\uEF8F',
      Flow: '\uEF90',
      StatusCircleCheckmark: '\uF13E',
      MoreVertical: '\uF2BC'
    }
  };

  registerIcons(subset, options);
}

'Emoji2': '\uE76E',
      'GripperBarHorizontal': '\uE76F',
      'System': '\uE770',
      'Personalize': '\uE771',
      'SearchAndApps': '\uE773',
      'Globe': '\uE774',
      'EaseOfAccess': '\uE776',
      'ContactInfo': '\uE779',
      'Unpin': '\uE77A',
      'Contact': '\uE77B',
      'Memo': '\uE77C',
      'IncomingCall': '\uE77E'
    }
  };

  registerIcons(subset, options);
}

'PollResults': '\uF8A0',
      'Rerun': '\uF8A1',
      'QandA': '\uF8A2',
      'QandAMirror': '\uF8A3',
      'BookAnswers': '\uF8A4',
      'AlertSettings': '\uF8B6',
      'TrimStart': '\uF8BB',
      'TrimEnd': '\uF8BC',
      'TableComputed': '\uF8F5',
      'DecreaseIndentLegacy': '\uE290',
      'IncreaseIndentLegacy': '\uE291',
      'SizeLegacy': '\uE2B2'
    }
  };

  registerIcons(subset, options);
}

'PageListSolid': '\uF33A',
      'PageListMirroredSolid': '\uF33B',
      'StarburstSolid': '\uF33C',
      'ReadingModeSolid': '\uF33D',
      'SadSolid': '\uF33E',
      'HealthSolid': '\uF33F',
      'ShieldSolid': '\uF340',
      'GiftBoxSolid': '\uF341',
      'ShoppingCartSolid': '\uF342',
      'MailSolid': '\uF343',
      'ChatSolid': '\uF344',
      'RibbonSolid': '\uF345'
    }
  };

  registerIcons(subset, options);
}

icons: {
      'Add': '\uE710',
      'Cancel': '\uE711',
      'ChevronDown': '\uE70D',
      'ErrorBadge': '\uEA39',
    },
    style: {
      MozOsxFontSmoothing: 'grayscale',
      WebkitFontSmoothing: 'antialiased',
      fontStyle: 'normal',
      fontWeight: 'normal',
      speak: 'none'
    },
  };

  registerIcons(subset, options);
}

'BulletedList2Mirrored': '\uF2C8',
      'ImageCrosshair': '\uF2C9',
      'GitGraph': '\uF2CA',
      'Repo': '\uF2CB',
      'RepoSolid': '\uF2CC',
      'FolderQuery': '\uF2CD',
      'FolderList': '\uF2CE',
      'FolderListMirrored': '\uF2CF',
      'LocationOutline': '\uF2D0',
      'POISolid': '\uF2D1',
      'CalculatorNotEqualTo': '\uF2D2',
      'BoxSubtractSolid': '\uF2D3'
    }
  };

  registerIcons(subset, options);
}

'TagUnknown12Mirror': '\uF6E2',
      'Link12': '\uF6E3',
      'Presentation': '\uF6E4',
      'Presentation12': '\uF6E5',
      'Lock12': '\uF6E6',
      'BuildDefinition': '\uF6E9',
      'ReleaseDefinition': '\uF6EA',
      'SaveTemplate': '\uF6EC',
      'UserGauge': '\uF6ED',
      'BlockedSiteSolid12': '\uF70A',
      'TagSolid': '\uF70E',
      'OfficeChat': '\uF70F'
    }
  };

  registerIcons(subset, options);
}

'UnknownMirrored': '\uF22E',
      'PublicContactCardMirrored': '\uF230',
      'GridViewSmall': '\uF232',
      'GridViewMedium': '\uF233',
      'GridViewLarge': '\uF234',
      'Step': '\uF241',
      'StepInsert': '\uF242',
      'StepShared': '\uF243',
      'StepSharedAdd': '\uF244',
      'StepSharedInsert': '\uF245',
      'ViewDashboard': '\uF246',
      'ViewList': '\uF247'
    }
  };

  registerIcons(subset, options);
}