/** A length the rules allow between a least and a greatest, with the one that is drawn, all in the league's unit. */
export interface Span {
    min: number;
    max: number;
    drawn: number;
}
/** A range of sizes; the drawn size is the greatest the rules allow unless another is said. */
export declare const span: (min: number, max: number, drawn?: number) => Span;
/** A size the rules fix: a range of one. */
export declare const fixed: (value: number) => Span;