import { FetchEventSourceInit } from '@microsoft/fetch-event-source';
export declare enum MESSAGE_TYPE {
    NOTIFICATION = "userlog-notification",
    POSTPROCESSING_FINISHED = "postprocessing-finished",
    FILE_LOCKED = "file-locked",
    FILE_UNLOCKED = "file-unlocked",
    FILE_TOUCHED = "file-touched",
    ITEM_RENAMED = "item-renamed",
    ITEM_TRASHED = "item-trashed",
    ITEM_RESTORED = "item-restored",
    ITEM_MOVED = "item-moved",
    ITEM_FAVORITE_ADDED = "item-favorite-added",
    ITEM_FAVORITE_REMOVED = "item-favorite-removed",
    FOLDER_CREATED = "folder-created",
    SPACE_CREATED = "space-created",
    SPACE_DISABLED = "space-disabled",
    SPACE_ENABLED = "space-enabled",
    SPACE_DELETED = "space-deleted",
    SPACE_MEMBER_ADDED = "space-member-added",
    SPACE_MEMBER_REMOVED = "space-member-removed",
    SPACE_SHARE_UPDATED = "space-share-updated",
    SHARE_CREATED = "share-created",
    SHARE_REMOVED = "share-removed",
    SHARE_UPDATED = "share-updated",
    LINK_CREATED = "link-created",
    LINK_REMOVED = "link-removed",
    LINK_UPDATED = "link-updated",
    BACKCHANNEL_LOGOUT = "backchannel-logout"
}
export declare class RetriableError extends Error {
    name: string;
}
export declare class SSEAdapter implements EventSource {
    url: string;
    fetchOptions: FetchEventSourceInit;
    private abortController;
    private eventListenerMap;
    readyState: number;
    readonly withCredentials: boolean;
    readonly CONNECTING: 0;
    readonly OPEN: 1;
    readonly CLOSED: 2;
    onerror: ((this: EventSource, ev: Event) => any) | null;
    onmessage: ((this: EventSource, ev: MessageEvent) => any) | null;
    onopen: ((this: EventSource, ev: Event) => any) | null;
    constructor(url: string, fetchOptions: FetchEventSourceInit);
    private connect;
    fetchProvider(...args: [RequestInfo | URL, RequestInit]): Promise<Response>;
    close(): void;
    addEventListener<K extends keyof EventSourceEventMap>(type: string, listener: (this: EventSource, event: EventSourceEventMap[K]) => any): void;
    removeEventListener<K extends keyof EventSourceEventMap>(type: string, listener: (this: EventSource, event: EventSourceEventMap[K]) => any): void;
    dispatchEvent(): boolean;
    updateAccessToken(token: string): void;
    updateLanguage(language: string): void;
}
export declare const sse: (baseURI: string, fetchOptions: FetchEventSourceInit) => SSEAdapter;
/**
 * Closes the current SSE connection and clears the singleton, so the next `sse()`
 * call creates a fresh connection. Used on logout to stop the stream from
 * reconnecting with a stale (removed) access token.
 */
export declare const resetSSE: () => void;