import type { RunEvent, RunObserver, RunSnapshot, RunnerLogChunk, StepDetailSnapshot, WorkflowDefinition } from "../types.js";
import { type KeyEvent } from "./screen.js";
export interface TuiSessionControls {
    approve(stepKey?: string, metadata?: {
        actor?: string;
        note?: string;
        source?: string;
    }): {
        ok: boolean;
        reason?: string;
    };
    resume(stepKey?: string, metadata?: {
        actor?: string;
        note?: string;
        source?: string;
    }): {
        ok: boolean;
        reason?: string;
    };
    cancel(stepKey?: string, metadata?: {
        actor?: string;
        note?: string;
        source?: string;
    }): {
        ok: boolean;
        reason?: string;
    };
}
export interface TuiRunRendererOptions {
    workflow: WorkflowDefinition;
    session: TuiSessionControls;
    attachUrl: string;
    attachToken: string;
    stdout?: NodeJS.WriteStream;
    stdin?: NodeJS.ReadStream;
    redrawMs?: number;
    tickMs?: number;
    now?: () => number;
    colorEnabled?: boolean;
}
export declare class TuiRunRenderer implements RunObserver {
    private readonly workflow;
    private readonly session;
    private readonly attachUrl;
    private readonly attachToken;
    private readonly stdout;
    private readonly stdin;
    private readonly redrawMs;
    private readonly tickMs;
    private readonly nowFn;
    private readonly theme;
    private readonly screen;
    private snapshot;
    private stepDetails;
    private readonly logs;
    private selectedStepKey;
    private follow;
    private statusMessage;
    private statusMessageExpiresAt;
    private dirty;
    private redrawTimer;
    private tickTimer;
    private started;
    private stopped;
    constructor(options: TuiRunRendererOptions);
    start(): void;
    stop(): void;
    onSnapshot(snapshot: RunSnapshot, stepDetails: StepDetailSnapshot[]): void;
    onEvent(event: RunEvent): void;
    onLog(log: RunnerLogChunk): void;
    handleKey: (key: KeyEvent) => void;
    renderNow(): string[];
    private handleResize;
    private handleApprove;
    private handleResume;
    private handleCancel;
    private handleQuit;
    private moveSelection;
    private setStatusMessage;
    private currentStatusMessage;
    private markDirty;
    private composeFrame;
}