export declare const PATTERN_CHARS: readonly ["*", "9", "A"];
export type PatternChar = (typeof PATTERN_CHARS)[number];
export declare const REG_EXPS: {
    Letters: RegExp;
    Numbers: RegExp;
};
export interface FormattedResult {
    raw: string;
    formatted: string;
}
export declare function format(value: string, pattern: string): FormattedResult;
export declare function isPatternChar(char: unknown): char is PatternChar;