import { RunnableConsumerFactory } from "../types.js";
import { OrchestratorState } from './fsm.js';
import { Emitter } from '@blackglory/structures';
export { OrchestratorState } from './fsm.js';
export declare class Orchestrator<Params> extends Emitter<{
    terminated: [];
    error: [error: Error];
}> {
    private createRunnableConsumer;
    private params;
    private fsm;
    private retries;
    private runners;
    constructor(createRunnableConsumer: RunnableConsumerFactory<Params>, params: Params);
    getState(): OrchestratorState;
    getNumberOfInstances(): number;
    terminate(): Promise<void>;
    scale(concurrency: number | string): Promise<void>;
    private scaleUp;
    private scaleDown;
    private getFirstRunner;
    private createRunner;
    private addRunner;
    private removeRunner;
    private startRunner;
    private stopRunner;
}