import { WorldLocalSettings } from '../config/WorldEnv.js';
import { GenericTaskStub } from './TaskProcessing.js';
import { MessageData } from './WorkerProxy.js';
export declare const onMessage: (request: MessageData<WorldLocalSettings | GenericTaskStub>) => Promise<{
    timestamp: number;
    content: {
        done: boolean;
    } | {
        id: import("./TaskProcessing.js").TaskId;
        data: null;
    };
}>;