import { type Scaled, type Unit } from "../units.ts";
/** The words of a league in both languages. */
export interface Named {
    en: string;
    ja: string;
}
/** The families of surface a league is a variant of. */
export type Family = "basketball" | "hockey" | "football" | "baseball" | "curling" | "tennis" | "volleyball" | "badminton" | "pickleball" | "tabletennis" | "padel" | "squash" | "racquetball" | "sepaktakraw" | "teqball" | "roundnet" | "netball" | "lacrosse" | "rugby" | "afl" | "gaelic" | "cricket" | "fieldhockey" | "handball" | "athletics" | "skating" | "judo" | "karate" | "kendo" | "sumo" | "kyudo" | "dojo";
/** The state of one marking from a season on, in a league's own history: the season it began, what it was, and its sources. */
export interface LeagueSpan<T> {
    /** The first season it was in force, or `null` for the state before the first change that is cited. */
    from: number | null;
    value: T;
    /** What it was, in a sentence. */
    what: string;
    /** The same in Japanese. */
    ja: string;
    /** Keys of `LEAGUE_SOURCES`; at least one. */
    sources: string[];
}
/** What every league has. */
export interface LeagueBase<F extends Family, D> {
    /** The id the `league` option takes: `fiba`, `ncaa-women`. */
    id: string;
    family: F;
    name: Named;
    /** The unit its rulebook states its principal figures in: the one its size is written in, and `units: "rulebook"`. */
    unit: Unit;
    /** The unit `dimensions` are kept in: `unit`, unless said. A football field's figures are in feet, its size in yards. */
    figuresUnit?: Unit;
    /** The rulebook's figures. */
    dimensions: D;
    /** True for the league a sport draws without a `league` (the NBA, the NHL, the NFL, the CFL, the IFAF, MLB): its history is `rulesFor`'s. */
    builtIn?: boolean;
    /** Keys of `LEAGUE_SOURCES`. */
    sources: string[];
    /** The markings that changed, by name: only what a source dates. */
    history?: {
        [K in keyof D]?: LeagueSpan<D[K]>[];
    };
}
/** A table of figures in a league's unit, as feet. */
export declare const inFeet: <T>(table: T, unit: Unit) => Scaled<T>;