import type { Context2D } from "../charts/canvas-types";
import type { PlotRect } from "../layout/plot-layout";
export declare const TICK_SIZE = 5;
/**
 * One horizontal row of numeric axis ticks + labels at CSS-pixel `axisY`.
 * `side` selects tick direction (down into the bottom margin or up into
 * the top margin) and the corresponding label baseline. Caller owns
 * `strokeStyle`, `fillStyle`, `font`, and `lineWidth`.
 */
export declare function drawXTickRow(ctx: Context2D, plot: PlotRect, ticks: number[], axisY: number, side: "top" | "bottom", xToPixel: (v: number) => number, format: (v: number) => string): void;
/**
 * One vertical column of numeric axis ticks + labels at CSS-pixel `axisX`.
 * `side` selects tick direction (out toward the left or right margin) and
 * the corresponding label alignment. Caller owns styling state.
 */
export declare function drawYTickColumn(ctx: Context2D, plot: PlotRect, ticks: number[], axisX: number, side: "left" | "right", yToPixel: (v: number) => number, format: (v: number) => string): void;
/**
 * Vertical gridlines at numeric X ticks, clipped to `plot`.
 */
export declare function drawGridlinesX(ctx: Context2D, plot: PlotRect, ticks: number[], xToPixel: (v: number) => number): void;
/**
 * Horizontal gridlines at numeric Y ticks, clipped to `plot`.
 */
export declare function drawGridlinesY(ctx: Context2D, plot: PlotRect, ticks: number[], yToPixel: (v: number) => number): void;