import type { Unit } from "../units.ts";
import { type LeagueBase } from "./types.ts";
/** The small marks the NBA's court diagram has along the lane and the sidelines, drawn in the full detail. Lengths. */
export interface CourtMarks {
    /** The marks that divide the free-throw lane, from the baseline. The first is the block. */
    lane: number[];
    /** The lower defensive box's marks: from the lane, from the baseline, and how long; or none. */
    box: {
        fromLane: number;
        fromBaseline: number;
        length: number;
    } | null;
    /** The marks 28 feet from the baseline on the sidelines: where, and how long. */
    sideline: {
        fromBaseline: number;
        length: number;
    };
    /** The substitution marks, either side of the half-court line, or none. */
    substitution: number | null;
}
/** The figures of a basketball court. Lengths, in the unit of the table they are in. */
export interface CourtFigures {
    /** Baseline to baseline, inside the lines. */
    length: number;
    /** Sideline to sideline, inside the lines. */
    width: number;
    /** The free-throw lane (restricted area), side to side. */
    laneWidth: number;
    /** A lane that is wider at the baseline than at the free-throw line (a trapezoid): its width at the baseline. */
    laneEndWidth?: number;
    /** The free-throw line, from the baseline. */
    freeThrowLine: number;
    freeThrowRadius: number;
    centreRadius: number;
    /** The inner circle at centre court, or none. */
    centreInnerRadius: number | null;
    /**
     * The three-point line: the arc's radius from the middle of the basket, to the outside of the line, and how far from each
     * sideline the straight lines stand. `null` for no line.
     */
    threePoint: {
        radius: number;
        sideInset: number;
    } | null;
    /** The middle of the basket, from the baseline. */
    basket: number;
    backboard: {
        width: number;
        fromBaseline: number;
    };
    /** The ring's radius. */
    rim: number;
    /** The restricted (no-charge) area's radius from the middle of the basket, or none. */
    restricted: number | null;
    /** The small marks of the NBA's diagram, or none. */
    marks: CourtMarks | null;
}
/** A basketball court, as the drawing wants it: the figures with every length in feet. */
export type CourtSpec = CourtFigures;
/** A court's figures in feet, from the unit its rulebook gives them in. */
export declare const courtInFeet: (figures: CourtFigures, unit: Unit) => CourtSpec;
/** The NBA court today, from `NBA` (geometry.ts). Rule 1 of the NBA rulebook. */
export declare const NBA_COURT: CourtFigures;
/** A league with a basketball court of its own. */
export type BasketballLeague = LeagueBase<"basketball", CourtFigures>;
/** The basketball leagues, the NBA first. */
export declare const BASKETBALL_LEAGUES: readonly BasketballLeague[];