import { type MascotState } from '../../mascot.js';
import type { LoopStage } from './loop-stage.js';
export declare const MASCOT_BAR_ROWS = 3;
export declare const MASCOT_BAR_MIN_CONTENT_ROWS = 8;
export declare class MascotBar {
    private readonly stream;
    private readonly getAdjacentRows;
    private readonly frameMs;
    private started;
    private state;
    private frame;
    private rowCount;
    private lastStartRow;
    private lastRowCount;
    private timer;
    private stageState;
    private alertTimer;
    private resizeUnsub;
    private onRowCountChange?;
    constructor(opts: {
        getAdjacentRows: () => number;
        stream?: NodeJS.WriteStream;
        frameMs?: number;
    });
    setRowCountChangeHandler(handler: (rows: number) => void): void;
    stop(): void;
    start(): void;
    setState(state: MascotState): void;
    onStage(stage: LoopStage, signals?: {
        toolErrored?: boolean;
    }): void;
    redraw(): void;
    getRowCount(): number;
    private clearBand;
    private repaint;
    private visibleRows;
    private clearAlertTimer;
    private flashAlert;
    private stopTimer;
    private startTimer;
}