import type { Crowd, CrowdStands, Pt } from "./crowd.ts";
/** A stretch of wall with seats on top of it: its bearings from dead centre (the left field line is -45) and its height in feet. */
export interface WallSeats {
    from: number;
    to: number;
    height: number;
}
/** What a ballpark's stands are laid from. */
export interface ParkInput {
    /** The fence as points on the field: u across (negative to the left), v out from the back of home plate. */
    fence: readonly Pt[];
    /** How far behind home plate the backstop stands, in feet. */
    backstop: number;
    crowd: Crowd;
    /** The walls that have seats on top of them. */
    seatsOnWalls?: readonly WallSeats[];
}
/** The stands of a ballpark, as data. */
export declare function parkLayout(input: ParkInput): CrowdStands;