import { IError } from '../../exceptions/IError';
import { ITaskRunnerResult } from '../../tasks/ITaskRunnerResult';
import { AbstractEvent } from '../../messaging/AbstractEvent';
import { IQueueWorkload } from '../../../libs/queue/IQueueWorkload';
import { TASK_RUNNER_SPEC, TASK_STATES } from '../Constants';
/**
 * Id is the runner id
 */
export declare abstract class AbstractTaskEvent extends AbstractEvent implements IQueueWorkload {
    /**
     * Name or names of task(s) to execute
     */
    taskSpec: TASK_RUNNER_SPEC | TASK_RUNNER_SPEC[];
    /**
     * Arguments to pass to task runner
     */
    parameters?: {
        [name: string]: any;
    };
    /**
     * Errors
     */
    errors: IError[];
    /**
     * Current state of task
     */
    state: TASK_STATES;
    /**
     * Topic of this event
     */
    topic: 'data' | 'log';
    /**
     * log data
     */
    log: any[];
    data: ITaskRunnerResult;
    constructor();
    addParameter(key: string, value: any): void;
}