/**
 * Manager for automatically saving diagrams. The <save> hook must be
 * implemented.
 *
 * @example
 * ```javascript
 * var mgr = new mxAutoSaveManager(editor.graph);
 * mgr.save()
 * {
 *   mxLog.show();
 *   mxLog.debug('save');
 * };
 * ```
 *
 * @class mxAutoSaveManager
 * @extends mxEventSource
 */
declare class mxAutoSaveManager extends mxEventSource {
  /**
   * Constructs a new automatic layout for the given graph.
   *
   * @param graph - Reference to the enclosing graph.
   */
  constructor(graph: mxGraph);

  /**
   * Reference to the enclosing <mxGraph>.
   */
  graph: mxGraph;

  /**
   * Minimum amount of seconds between two consecutive autosaves. Eg. a
   * value of 1 (s) means the graph is not stored more than once per second.
   * Default is 10.
   */
  autoSaveDelay: number;

  /**
   * Minimum amount of seconds between two consecutive autosaves triggered by
   * more than <autoSaveThreshhold> changes within a timespan of less than
   * <autoSaveDelay> seconds. Eg. a value of 1 (s) means the graph is not
   * stored more than once per second even if there are more than
   * <autoSaveThreshold> changes within that timespan. Default is 2.
   */
  autoSaveThrottle: number;

  /**
   * Minimum amount of ignored changes before an autosave. Eg. a value of 2
   * means after 2 change of the graph model the autosave will trigger if the
   * condition below is true. Default is 5.
   */
  autoSaveThreshold: number;

  /**
   * Counter for ignored changes in autosave.
   */
  ignoredChanges: number;

  /**
   * Used for autosaving. See <autosave>.
   */
  lastSnapshot: number;

  /**
   * Specifies if event handling is enabled. Default is true.
   */
  enabled: boolean;

  /**
   * Holds the function that handles graph model changes.
   */
  changeHandler: Function;

  /**
   * Returns true if events are handled. This implementation
   * returns <enabled>.
   */
  isEnabled(): boolean;

  /**
   * Enables or disables event handling. This implementation
   * updates <enabled>.
   *
   * @param enabled - Boolean that specifies the new enabled state.
   */
  setEnabled(value: boolean): void;

  /**
   * Sets the graph that the layouts operate on.
   */
  setGraph(graph: mxGraph): void;

  /**
   * Empty hook that is called if the graph should be saved.
   */
  save(): void;

  /**
   * Invoked when the graph model has changed.
   */
  graphModelChanged(changes: any): void;

  /**
   * Resets all counters.
   */
  reset(): void;

  /**
   * Removes all handlers from the <graph> and deletes the reference to it.
   */
  destroy(): void;
}