import type { OrchModel } from '../model';
import type { PayloadFunc } from '../utility-types';
export type Performer<P, R> = PayloadFunc<P, R>;
export type PerformerFactory<P, R = void> = () => {
    next: (payload: P) => R;
    dispose: () => void;
};
export declare function performer<P, R = void>(model: OrchModel<any>, factory: PerformerFactory<P, R>): Performer<P, R>;
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