import * as events from 'events'
import type { Zotero } from './typings/zotero'
type RemoteLibrary = {
  type: 'group' | 'user' | 'local'
  prefix: string
  name: string
  version?: number
}
export declare class Sync {
  static event: {
    library: string
    collection: string
    remove: string
    item: string
    error: string
  }
  protected headers: Record<string, string>
  private batch
  userID: number
  libraries: Record<string, RemoteLibrary>
  emitter: events.EventEmitter
  constructor(batch?: number, emitter?: events.EventEmitter)
  on(event: string, handler: (...args: any[]) => void): void
  local(): void
  login(api_key: string): Promise<void>
  protected fetch(url: string): Promise<import('node-fetch').Response>
  private json
  get(prefix: string, uri: string): Promise<any>
  sync(store: Zotero.Store, includeTrashed?: boolean): Promise<void>
  private update
}
export {}