import { Unit } from './unit.js';
/**
 * An object representation of a parsed string skeleton, with token values
 * grouped by type.
 *
 * @public
 */
export interface Skeleton {
    /**
     * @remarks
     * The prefix and suffix of an ICU NumberFormatter pattern. Not used for skeletons.
     */
    affix?: {
        pos: [string, string];
        neg?: [string, string];
    };
    decimal?: 'decimal-auto' | 'decimal-always';
    group?: 'group-off' | 'group-min2' | 'group-auto' | 'group-on-aligned' | 'group-thousands';
    integerWidth?: {
        min: number;
        max?: number;
        source?: string;
    };
    notation?: {
        style: 'compact-short' | 'compact-long' | 'notation-simple';
    } | {
        style: 'scientific' | 'engineering';
        expDigits?: number;
        expSign?: Skeleton['sign'];
        source?: string;
    };
    /**
     * @remarks
     * List collected from
     * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NumberFormat | MDN documentation}
     */
    numberingSystem?: 'arab' | 'arabext' | 'bali' | 'beng' | 'deva' | 'fullwide' | 'gujr' | 'guru' | 'hanidec' | 'khmr' | 'knda' | 'laoo' | 'latn' | 'limb' | 'mlym' | 'mong' | 'mymr' | 'orya' | 'tamldec' | 'telu' | 'thai' | 'tibt';
    precision?: {
        style: 'precision-integer' | 'precision-unlimited' | 'precision-currency-cash';
    } | {
        style: 'precision-currency-standard';
        trailingZero?: 'auto' | 'stripIfInteger' | undefined;
    } | {
        style: 'precision-increment';
        increment: number;
    } | {
        style: 'precision-fraction';
        minFraction?: number;
        maxFraction?: number;
        minSignificant?: number;
        maxSignificant?: number;
        source?: string;
    };
    roundingMode?: 'rounding-mode-ceiling' | 'rounding-mode-floor' | 'rounding-mode-down' | 'rounding-mode-up' | 'rounding-mode-half-even' | 'rounding-mode-half-odd' | 'rounding-mode-half-ceiling' | 'rounding-mode-half-floor' | 'rounding-mode-half-down' | 'rounding-mode-half-up' | 'rounding-mode-unnecessary';
    scale?: number;
    sign?: 'sign-auto' | 'sign-always' | 'sign-never' | 'sign-accounting' | 'sign-accounting-always' | 'sign-except-zero' | 'sign-accounting-except-zero';
    unit?: {
        style: 'percent' | 'permille' | 'base-unit';
    } | {
        style: 'currency';
        currency: string;
    } | {
        style: 'measure-unit';
        unit: Unit;
    };
    unitPer?: Unit;
    unitWidth?: 'unit-width-narrow' | 'unit-width-short' | 'unit-width-full-name' | 'unit-width-iso-code' | 'unit-width-hidden';
}
/** @internal */
export declare function isNumberingSystem(ns: string): ns is string & Skeleton['numberingSystem'];