import { type SessionList } from './files.js';
import type { ActivitySnapshot } from './types.js';
export declare class ActivityViewer {
    private readonly directory;
    private readonly sessionFile;
    list: SessionList;
    selected: string | null;
    detail: boolean;
    offset: number;
    follow: boolean;
    activity: ActivitySnapshot | null;
    private rootId;
    private reader;
    private readerKey;
    constructor(directory: string, sessionFile: string);
    refresh(): Promise<void>;
    key(name: string): void;
    render(width?: number, height?: number, now?: number): string;
    private detailLines;
}
//# sourceMappingURL=viewer.d.ts.map