import { NumberFormatInternal } from '../types/number';
/**
 * https://tc39.es/ecma402/#sec-formatnumberstring
 */
export declare function PartitionNumberPattern(numberFormat: Intl.NumberFormat, x: number, { getInternalSlots, }: {
    getInternalSlots(nf: Intl.NumberFormat): NumberFormatInternal;
}): import("../types/number").NumberFormatPart[];