import { type Canvas, type CanvasRenderingContext2D } from 'canvas';
import * as kshoot from 'kshoot';
export interface Params {
    max_columns: number;
    pulses_per_column: kshoot.Pulse;
    start: kshoot.Pulse;
}
export declare class Column {
    readonly width: number;
    height: number;
    readonly chart: kshoot.Chart;
    readonly timing: kshoot.Timing;
    range: kshoot.PulseRange;
    readonly layers: [canvas: Canvas, ctx: CanvasRenderingContext2D][];
    constructor(renderer: Renderer, range?: kshoot.PulseRange);
    reset(new_range: kshoot.PulseRange): void;
    drawLane(): void;
    drawMeasures(column_index: number): void;
    drawButtonNote(pulse: kshoot.Pulse, button: kshoot.ButtonObject): void;
    drawButtonNotes(): void;
    drawLaserNote(pulse: kshoot.Pulse, laser: kshoot.LaserObject): void;
    drawLaserNotes(): void;
    render(column_index: number, target: CanvasRenderingContext2D, x: number, y: number): void;
}
export declare class Renderer {
    readonly chart: kshoot.Chart;
    readonly timing: kshoot.Timing;
    constructor(args: {
        chart: kshoot.Chart;
        timing?: kshoot.Timing;
    });
    chooseStart(columns: number, pulses_per_column: kshoot.Pulse): kshoot.Pulse;
    renderButton(ctx: CanvasRenderingContext2D, length: number): void;
    render(params: Partial<Params>): Promise<Buffer>;
}