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/**
 * Class to track file changes and trigger a registered action.
 */
export declare class FileChangeTracker {
    /**
     * Unique set of file changes per id.
     */
    private _changes;
    /**
     * Action to trigger when {@link track} is invoked.
     */
    private _action;
    /**
     * Maximum amount of time after which
     * a message that is added to the queue through {@link track}
     * is executed on the registered action {@link registerAction}
     */
    readonly throttleTime = 1000;
    /**
     * Instantiate {@link FileChangeTracker}.
     * @returns Reference to a new {@link FileChangeTracker} instance.
     */
    constructor();
    /**
     * Register an action to execute when a message is added.
     * @param action - Action to execute.
     */
    registerAction(action: (message: [string, Set<string>]) => unknown): void;
    /**
     * Add the change information to the queue and
     * invoke the registered action {@link registerAction}
     * after {@link throttleTime} milliseconds.
     * @param id - Unique identifier per category/set of changes.
     * @param changeInfo - Information about the change.
     */
    track(id: string, changeInfo: string): void;
    private _triggerAction;
}
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