import { RunItem } from '../items';
import { StreamedRunResult } from '../result';
export declare const isAbortError: (error: unknown) => boolean;
export declare function streamStepItemsToRunResult(result: StreamedRunResult<any, any>, items: RunItem[]): void;
export declare function addStepToRunResult(result: StreamedRunResult<any, any>, step: {
    newStepItems: RunItem[];
}, options?: {
    skipItems?: Set<RunItem>;
}): void;