/**
 * mask - a tiny pattern-mask engine shared by SvMaskedInput / SvPhoneInput.
 * Pattern tokens:
 *   #  a digit (0-9)
 *   A  a letter (a-z A-Z)
 *   *  a letter or digit
 * Any other character is a literal that is auto-inserted. Framework-free.
 */
/**
 * Apply `pattern` to raw input `value`, inserting literals and dropping chars
 * that don't fit the next token. Returns the formatted string and the count of
 * consumed input characters (useful for caret math).
 */
export declare function applyMask(value: string, pattern: string): {
    formatted: string;
    filled: number;
};
/** Strip literals, returning only the data characters the user supplied. */
export declare function unmask(value: string, pattern: string): string;
/** True when every token position in the pattern is filled. */
export declare function isMaskComplete(value: string, pattern: string): boolean;