How to use the @atom/nsfw.actions function in @atom/nsfw

const fs = require('fs')
const path = require('path')

const {Emitter, Disposable, CompositeDisposable} = require('event-kit')

const NotifyWatcher = require('@atom/notify')
const nsfw = require('@atom/nsfw')
const {NativeWatcherRegistry} = require('./native-watcher-registry')

// Private: Associate native watcher action flags with descriptive String equivalents.
const ACTION_MAP = new Map([
  [nsfw.actions.MODIFIED, 'modified'],
  [nsfw.actions.CREATED, 'created'],
  [nsfw.actions.DELETED, 'deleted'],
  [nsfw.actions.RENAMED, 'renamed']
])

// Private: Possible states of a {NativeWatcher}.
const WATCHER_STATE = {
  STOPPED: Symbol('stopped'),
  STARTING: Symbol('starting'),
  RUNNING: Symbol('running'),
  STOPPING: Symbol('stopping')
}

// Private: Interface with and normalize events from a filesystem watcher implementation.
class NativeWatcher {

const fs = require('fs')
const path = require('path')

const {Emitter, Disposable, CompositeDisposable} = require('event-kit')

const NotifyWatcher = require('@atom/notify')
const nsfw = require('@atom/nsfw')
const {NativeWatcherRegistry} = require('./native-watcher-registry')

// Private: Associate native watcher action flags with descriptive String equivalents.
const ACTION_MAP = new Map([
  [nsfw.actions.MODIFIED, 'modified'],
  [nsfw.actions.CREATED, 'created'],
  [nsfw.actions.DELETED, 'deleted'],
  [nsfw.actions.RENAMED, 'renamed']
])

// Private: Possible states of a {NativeWatcher}.
const WATCHER_STATE = {
  STOPPED: Symbol('stopped'),
  STARTING: Symbol('starting'),
  RUNNING: Symbol('running'),
  STOPPING: Symbol('stopping')
}

// Private: Interface with and normalize events from a filesystem watcher implementation.
class NativeWatcher {

  // Private: Initialize a native watcher on a path.

/** @babel */

const fs = require('fs')
const path = require('path')

const {Emitter, Disposable, CompositeDisposable} = require('event-kit')
const nsfw = require('@atom/nsfw')
const {NativeWatcherRegistry} = require('./native-watcher-registry')

// Private: Associate native watcher action flags with descriptive String equivalents.
const ACTION_MAP = new Map([
  [nsfw.actions.MODIFIED, 'modified'],
  [nsfw.actions.CREATED, 'created'],
  [nsfw.actions.DELETED, 'deleted'],
  [nsfw.actions.RENAMED, 'renamed']
])

// Private: Possible states of a {NativeWatcher}.
const WATCHER_STATE = {
  STOPPED: Symbol('stopped'),
  STARTING: Symbol('starting'),
  RUNNING: Symbol('running'),
  STOPPING: Symbol('stopping')
}

// Private: Emulate a "filesystem watcher" by subscribing to Atom events like buffers being saved. This will miss
// any changes made to files outside of Atom, but it also has no overhead.
class AtomBackend {

/** @babel */

const fs = require('fs')
const path = require('path')

const {Emitter, Disposable, CompositeDisposable} = require('event-kit')
const nsfw = require('@atom/nsfw')
const {NativeWatcherRegistry} = require('./native-watcher-registry')

// Private: Associate native watcher action flags with descriptive String equivalents.
const ACTION_MAP = new Map([
  [nsfw.actions.MODIFIED, 'modified'],
  [nsfw.actions.CREATED, 'created'],
  [nsfw.actions.DELETED, 'deleted'],
  [nsfw.actions.RENAMED, 'renamed']
])

// Private: Possible states of a {NativeWatcher}.
const WATCHER_STATE = {
  STOPPED: Symbol('stopped'),
  STARTING: Symbol('starting'),
  RUNNING: Symbol('running'),
  STOPPING: Symbol('stopping')
}

// Private: Emulate a "filesystem watcher" by subscribing to Atom events like buffers being saved. This will miss
// any changes made to files outside of Atom, but it also has no overhead.
class AtomBackend {
  async start (rootPath, eventCallback, errorCallback) {