import { ServiceManager } from '@jupyterlab/services';
import { IDisposable } from '@phosphor/disposable';
import { DocumentRegistry } from '../docregistry';
/**
 * A class that manages the auto saving of a document.
 *
 * #### Notes
 * Implements https://github.com/ipython/ipython/wiki/IPEP-15:-Autosaving-the-IPython-Notebook.
 */
export declare class SaveHandler implements IDisposable {
    /**
     * Construct a new save handler.
     */
    constructor(options: SaveHandler.IOptions);
    /**
     * The save interval used by the timer (in seconds).
     */
    saveInterval: number;
    /**
     * Get whether the handler is active.
     */
    readonly isActive: boolean;
    /**
     * Get whether the save handler is disposed.
     */
    readonly isDisposed: boolean;
    /**
     * Dispose of the resources used by the save handler.
     */
    dispose(): void;
    /**
     * Start the autosaver.
     */
    start(): void;
    /**
     * Stop the autosaver.
     */
    stop(): void;
    /**
     * Set the timer.
     */
    private _setTimer();
    /**
     * Handle an autosave timeout.
     */
    private _save();
    /**
     * Handle a time conflict.
     */
    private _timeConflict(modified);
    /**
     * Perform the save, adjusting the save interval as necessary.
     */
    private _finishSave();
    private _autosaveTimer;
    private _minInterval;
    private _interval;
    private _context;
    private _manager;
    private _isActive;
    private _inDialog;
}
/**
 * A namespace for `SaveHandler` statics.
 */
export declare namespace SaveHandler {
    /**
     * The options used to create a save handler.
     */
    interface IOptions {
        /**
         * The context asssociated with the file.
         */
        context: DocumentRegistry.Context;
        /**
         * The service manager to use for checking last saved.
         */
        manager: ServiceManager.IManager;
        /**
         * The minimum save interval in seconds (default is two minutes).
         */
        saveInterval?: number;
    }
}