export declare class ArtifactStore {
    private workspaceDir;
    constructor(workspaceDir: string);
    private dir;
    private path;
    exists(sessionID: string, name: string): boolean;
    read(sessionID: string, name: string): string | null;
    write(sessionID: string, name: string, content: string): void;
    append(sessionID: string, name: string, content: string): void;
    list(sessionID: string): string[];
}
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