+import * as Bluebird from 'bluebird'
+import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Is, Model, Scopes, Table, UpdatedAt } from 'sequelize-typescript'
+import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
+import { CONSTRAINTS_FIELDS } from '../../initializers'
+import { AccountModel } from '../account/account'
+import { ActorModel } from '../activitypub/actor'
+import { throwIfNotValid } from '../utils'
+import { VideoModel } from './video'
+import { VideoChannelModel } from './video-channel'