import { type FootballSpec } from "../geometry.ts";
import { type BuildOptions, type Surface } from "./surface.ts";
/** What a season changes in a football field beyond its spec: whether it had hash marks, and the shape of its goal posts. */
export interface FootballMarks {
    hashMarks: boolean;
    postShape: "h" | "slingshot";
}
/**
 * A football field of the NFL, the CFL or the IFAF: the field, the end zones, the lines, the marks, the numbers and the posts.
 * The spec is the field of a season (`footballIn`); `marks` says what else that season had, and is today's by default.
 */
export declare function football(spec: FootballSpec, o: BuildOptions, marks?: FootballMarks): Surface;