/**
 * Resolved format description with the predefined name and d3-format specifier
 */
export interface FormatDescription {
    /** Predefined format name (e.g., 'percent_2', 'currency_1') or a base name like 'number', or 'custom' for ad-hoc specifiers */
    name: string;
    /** d3-format specifier string (e.g., '.2f', ',.0f', '$,.2f'). See https://d3js.org/d3-format */
    specifier: string;
    /** ISO 4217 currency code in uppercase (e.g. USD, EUR). Present when a currency format is used. */
    currency?: string;
}