import { NumberFormatOptions } from '../internationalization';
import { IntlBase as base } from './intl-base';
import { NumberMapper } from './parser-base';
/**
 * Interface for default formatting options
 *
 * @private
 */
export interface FormatParts extends base.NumericSkeleton, NumberFormatOptions {
    groupOne?: boolean;
    isPercent?: boolean;
    isCurrency?: boolean;
    isNegative?: boolean;
    groupData?: GroupDetails;
    groupSeparator?: string;
}
/**
 * Interface for common formatting options
 */
export interface CommonOptions {
    numberMapper?: NumberMapper;
    currencySymbol?: string;
    percentSymbol?: string;
    minusSymbol?: string;
    isCustomFormat?: boolean;
}
/**
 * Interface for grouping process
 */
export interface GroupDetails {
    primary?: number;
    secondary?: number;
}
/**
 * Module for number formatting.
 *
 * @private
 */
export declare class NumberFormat {
    /**
     * Returns the formatter function for given skeleton.
     *
     * @param {string} culture -  Specifies the culture name to be which formatting.
     * @param {NumberFormatOptions} option - Specific the format in which number  will format.
     * @param {Object} cldr - Specifies the global cldr data collection.
     * @returns {Function} ?
     */
    static numberFormatter(culture: string, option: NumberFormatOptions, cldr: Object): Function;
    /**
     * Returns grouping details for the pattern provided
     *
     * @param {string} pattern ?
     * @returns {GroupDetails} ?
     */
    static getGroupingDetails(pattern: string): GroupDetails;
    /**
     * Returns if the provided integer range is valid.
     *
     * @param {number} val1 ?
     * @param {number} val2 ?
     * @param {boolean} checkbothExist ?
     * @param {boolean} isFraction ?
     * @returns {boolean} ?
     */
    private static checkValueRange;
    /**
     * Check if the provided fraction range is valid
     *
     * @param {number} val ?
     * @param {string} text ?
     * @param {boolean} isFraction ?
     * @returns {void} ?
     */
    private static checkRange;
    /**
     * Returns formatted numeric string for provided formatting options
     *
     * @param {number} value ?
     * @param {base.GenericFormatOptions} fOptions ?
     * @param {CommonOptions} dOptions ?
     * @param {NumberFormatOptions} [option] ?
     * @returns {string} ?
     */
    private static intNumberFormatter;
    /**
     * Returns significant digits processed numeric string
     *
     * @param {number} value ?
     * @param {number} min ?
     * @param {number} max ?
     * @returns {string} ?
     */
    private static processSignificantDigits;
    /**
     * Returns grouped numeric string
     *
     * @param {string} val ?
     * @param {number} level1 ?
     * @param {string} sep ?
     * @param {string} decimalSymbol ?
     * @param {number} level2 ?
     * @returns {string} ?
     */
    private static groupNumbers;
    /**
     * Returns fraction processed numeric string
     *
     * @param {number} value ?
     * @param {number} min ?
     * @param {number} max ?
     * @param {NumberFormatOptions} [option] ?
     * @returns {string} ?
     */
    private static roundTo;
    private static processFraction;
    /**
     * Returns integer processed numeric string
     *
     * @param {string} value ?
     * @param {number} min ?
     * @returns {string} ?
     */
    private static processMinimumIntegers;
    /**
     * Returns custom format for pivot table
     *
     * @param {number} value ?
     * @returns {string} ?
     */
    private static customPivotFormat;
}