import type { StateStore } from './store';
export type ArtifactEntry = {
    stepId: string;
    name: string;
    path: string;
    digest: string;
    updatedAt: string;
    kind: 'json' | 'text';
};
export declare function writeArtifact(options: {
    state: StateStore;
    runId: string;
    stepId: string;
    name: string;
    data: unknown;
}): Promise<ArtifactEntry>;
export declare function readArtifact<T = unknown>(options: {
    entry: ArtifactEntry;
}): Promise<T>;
export declare function listArtifacts(options: {
    state: StateStore;
    runId: string;
}): Promise<ArtifactEntry[]>;