import type { FieldPlan } from "../fields.types.ts";
import { type AflLeague } from "../leagues/aussie.ts";
import type { FieldStyle } from "../types.ts";
import { type Unit } from "../units.ts";
/**
 * Where the Fifty Metre Arc meets the Boundary Line: the angle, in degrees from the direction up the ground, at which a circle of `radius` about the middle of a goal line leaves the oval. The oval has semi-axes `a`
 * along the ground and `b` across it, and the circle's centre is at the end of its long axis cut (the middle of the goal line).
 */
export declare function arcMeetsBoundary(a: number, b: number, length: number, radius: number): number;
/** The plan of the ground at the size asked for: a named ground's, a size of the options', or the one drawn (the MCG's). */
export declare function aflPlan(league: AflLeague, field: FieldStyle | undefined, askedUnit: Unit, full: boolean): FieldPlan;