export declare const FLAG_ICONS_VERSION = "7.5.0";
export type FlagRatio = '4x3' | '1x1';
export type FlagSource = 'flag-icons' | 'flagcdn';
export interface FlagUrlOptions {
    /** Aspect ratio. Default `4x3`. */
    ratio?: FlagRatio;
    /**
     * `flag-icons` is the Wikipedia/Wikimedia SVG set (MIT, version-pinned).
     * `flagcdn` is Flagpedia’s CDN of the same public flags.
     */
    source?: FlagSource;
}
/**
 * URL of the public SVG (or PNG, via flagcdn) for an ISO 3166-1 alpha-2 code.
 * Does not validate that the code is assigned — use {@link getFlagSvgUrl} in the
 * main package for that.
 */
export declare const buildFlagUrl: (code: string, options?: FlagUrlOptions) => string;