import type { TaskLaunchOptions, TaskClass } from './interfaces/index.js';
/**
 * Manages the launching of tasks based on scheduled times or infinitely.
 * Utilizes TaskQueue for handling task executions sequentially and provides
 * functionality to abort running tasks.
 */
export declare class TaskLauncher {
    #private;
    /**
     * Indicates whether there are any running tasks.
     */
    get isRunning(): boolean;
    /**
     * Returns a list of all tasks managed by the TaskLauncher.
     */
    get tasks(): TaskClass[];
    /**
     * Initializes the TaskLauncher with a set of tasks and an optional error handling function.
     * @param tasks An array of TaskClass instances.
     * @param onErrorFn An optional function to handle errors. Defaults to console.error.
     */
    constructor(tasks: TaskClass[], onErrorFn?: (err: any) => void);
    /**
     * Executes the tasks based on the provided launch options.
     * @param options A record of task names to their launch options (infinite or scheduled).
     * @throws Error if there are already running tasks.
     */
    execute(options: TaskLaunchOptions): Promise<void>;
    /**
     * Aborts all currently running tasks. If no tasks are running, resolves immediately.
     * @returns A promise that resolves when all tasks have been aborted.
     */
    abort(): Promise<void>;
}