/** Utilities and constants used internally. */
import { Fraction } from 'xen-dev-utils';
export declare const NUM_INTERCHANGE_COMPONENTS = 9;
export declare function F(n: number, d?: number): Readonly<Fraction>;
export declare const ZERO: Readonly<Fraction>;
export declare const ONE: Readonly<Fraction>;
export declare const NEGATIVE_ONE: Readonly<Fraction>;
export declare const HALF: Readonly<Fraction>;
export declare const FRACTION_PRIMES: Fraction[];
export declare const TWO: Fraction;
export declare const THREE: Fraction;
export declare const FIVE: Fraction;
export declare const SEVEN: Fraction;
export declare const ELEVEN: Fraction;
/**
 * One of the metric prefixes listed here: https://en.wikipedia.org/wiki/Metric_prefix
 * Goes from quecto = 10^-30 to Quetta = 10^30.
 */
export type MetricPrefix = 'Q' | 'R' | 'Y' | 'Z' | 'E' | 'P' | 'T' | 'G' | 'M' | 'k' | 'h' | 'da' | '' | 'd' | 'c' | 'm' | 'µ' | 'n' | 'p' | 'f' | 'a' | 'z' | 'y' | 'r' | 'q';
/**
 * Obtain the ten's exponent associated with the given prefix.
 * @param prefix Prefix to find exponent for.
 * @returns The ten's exponent associated with the prefix.
 */
export declare function metricExponent(prefix: MetricPrefix): number;
/**
 * One of the binary prefixes listed here: https://en.wikipedia.org/wiki/Binary_prefix
 * Goes from kibi = 1024 to quebi = 1024^10.
 */
export type BinaryPrefix = 'Ki' | 'Mi' | 'Gi' | 'Ti' | 'Pi' | 'Ei' | 'Zi' | 'Yi' | 'Ri' | 'Qi';
/**
 * Obtain the exponent of 1024 associated with the given prefix.
 * @param prefix Prefix to find exponent for.
 * @returns The exponent of 1024 associated with the prefix.
 */
export declare function binaryExponent(prefix: BinaryPrefix): number;
/**
 * Break a steps offset into lifts, ups and steps in that order of preference.
 * @param total Total steps offset.
 * @param up Value of the 'up' inflection in steps.
 * @param lift Value of the 'lift' inflection in steps.
 * @returns The prefix and postfix for recreating the steps offset according to the given context.
 */
export declare function countUpsAndLifts(total: number, up: number, lift: number): {
    ups: number;
    lifts: number;
    steps: number;
    prefix: string;
    postfix: string;
};
export declare const ABSURD_EXPONENT = 3322n;
/**
 * Validate that a BigInt isn't absurdly big.
 * @param n Integer to validate.
 * @throws 'Integer overflow.' if the integer has over 1000 digits.
 */
export declare function validateBigInt(n: bigint): void;
/**
 * Wrapper around `Set.union()` because TypeScript or something.
 * @param a First set.
 * @param b Second set.
 * @returns New set that contains elements of both sets (without duplicates).
 */
declare function setUnionNative<T>(a: Set<T>, b: Set<T>): Set<T>;
export declare const setUnion: typeof setUnionNative;
/**
 * Returns `true` if the specified object has the indicated property as its own property. If the property is inherited, or does not exist, the function returns `false`.
 * @param object The JavaScript object instance to test.
 * @param property The `String` name or `Symbol` of the property to test.
 * @returns `true` if the specified object has directly defined the specified property. Otherwise `false`
 */
export declare function hasOwn(object: Object, property: PropertyKey): any;
export {};