import { type Unit } from "./units.ts";
import type { SurfaceOptions } from "./types.ts";
/** What the options ask of the lines, in the units of the markup they are applied to. */
export interface LineLook {
    scale: number;
    dash: readonly number[] | undefined;
    opacity: number | undefined;
}
/** How wide the surface's ordinary line is drawn, in the units of its markup, and how many feet one of them is (`Surface.lineRef`). */
export interface LineRef {
    width: number;
    feet: number;
}
/**
 * The look of the lines the options ask for, or `undefined` when they ask for none of it. A width is a multiple of the width the lines are drawn at (`2`,
 * `{ scale: 2 }`) or an absolute width in `units` (`{ width: 0.5 }`), turned into a multiple here; a value that cannot be read is left out, as the other options'
 * are, so that a page's markup cannot break a drawing.
 */
export declare function lineLook(o: Pick<SurfaceOptions, "lineWidth" | "lineDash" | "lineOpacity">, ref: LineRef | undefined, unit: Unit): LineLook | undefined;
/** The markup of a surface's lines with the look applied. */
export declare function restyleLines(markup: string, look: LineLook): string;