export declare type NumberOptions = Readonly<{
    /**
     * The group sizes for the number.
     * @example
     * [3] would be thousands separator and produce 123.456.789,00 where as [2,3] would be "12.34.56.789,00".
     */
    groupSizes: Readonly<number[]>;
    /**
     * The character used for group separation E.g. '.' in Danish.
     */
    groupSeparator: string;
    /**
     * The character used for decimal separation E.g.',' in Danish.
     */
    decimalSeparator: string;
    /**
     * The negative pattern to use with `{0}` as the placeholder for the non-negative number.
     */
    negativePattern: string;
    unitSuffixThousand: string;
    unitSuffixMillion: string;
    unitSuffixBillion: string;
}>;
interface InternalOptions {
    negativePre: string;
    negativePost: string;
}
export interface NumberFormattingOptions extends NumberOptions, InternalOptions {
}
/**
 * A class which does number formatting and parsing.
 */
declare class NumberFormatting implements NumberFormattingOptions {
    groupSizes: number[];
    groupSeparator: string;
    decimalSeparator: string;
    negativePattern: string;
    unitSuffixThousand: string;
    unitSuffixMillion: string;
    unitSuffixBillion: string;
    negativePre: string;
    negativePost: string;
    /**
     * @param options - (optional) Number locale options. {@link NumberOptions}
     */
    constructor(options?: Partial<NumberOptions>);
    /**
     * Parses a localized string into a number.
     * @param value - The number to parse.
     * @returns  parsed value
     */
    parse(value: string | null | undefined): number;
    /**
     * Formats a number into a localized string.
     * @param num - The number to format.
     * @param decimals - (optional) The number of decimals to display after the decimal point.
     *                              If undefined then the number is formatted with however many
     *                              decimal places it needs to display the number (upto 8).
     *
     */
    format(num: number | null | undefined | string, decimals?: number | null): string;
    /**
     * Formats the number without rounding. e.g. 1.12 formatted with 1 decimal place is "1.12".
     * @param num - The number to format
     * @param minDecimals - (optional) The minimum number of decimals to display after the decimal point.
     * @param maxDecimals - (optional) The maximum number of decimals to display after the decimal point.
     * @returns formatted number string or an empty string when an invalid number was provided
     */
    formatNoRounding(num: number | null | undefined | string, minDecimals?: number | null, maxDecimals?: number | null): string;
    /**
     * Formats a number into a short format, e.g. 10.000 becomes 10k.
     * @param number - number to format
     *
     */
    shortFormat(number: number | string | null | undefined): string;
    /**
     * Returns the actual number of decimals that a number has.
     * @param number - number or numeric string
     */
    getActualDecimals(number: number): number;
}
export default NumberFormatting;