/**
 * True when `base` followed by `selector` (a U+FE00–U+FE0D code point) is a
 * registered standardized variation sequence.
 * @param {number} base
 * @param {number} selector
 * @returns {boolean}
 */
export function isStandardizedVariant(base: number, selector: number): boolean;
/**
 * GENERATED by scripts/gen-standardized-variants.mjs from UCD
 * StandardizedVariants.txt (Unicode 17.0.0) — DO NOT EDIT.
 *
 * Registered standardized variation sequences: a base code point followed by a
 * variation selector in U+FE00–U+FE0D. invisible.mjs preserves such a selector
 * only when the immediately preceding base appears here; every other FE00–FE0D
 * selector is stripped as a hidden-payload byte. Regenerate with
 * `node scripts/gen-standardized-variants.mjs`; test/invisible-charset.test.mjs
 * fails if this drifts from the pinned UCD slice.
 */
export const UNICODE_VERSION: "17.0.0";
/** @type {Array<[number, number]>} [base, selector], sorted by base then selector. */
export const STANDARDIZED_VARIANTS: Array<[number, number]>;