import { CCFieldType } from "@protontech/autofill/types";
import type { Fnode } from "@protontech/fathom";
export type CCFieldElement = HTMLInputElement | HTMLSelectElement;
export type CCExpirationMonthFormat = {
    padding: boolean;
};
export type CCExpirationYearFormat = {
    fullYear: boolean;
};
export type CCExpirationFormat = {
    separator: string;
    fullYear: boolean;
    monthFirst: boolean;
};
type CCFieldMatchParams = {
    visible: boolean;
};
export declare const CC_ATTRIBUTES: string[];
export declare const CC_INPUT_TYPES: string[];
export declare const getExpirationFormat: (field: HTMLElement, allowFallback?: boolean) => CCExpirationFormat | undefined;
export declare const formatExpirationDate: (month: string, year: string, { fullYear, separator, monthFirst }: CCExpirationFormat) => string;
export declare const getInputExpirationMonthFormat: (input: HTMLInputElement) => CCExpirationMonthFormat;
export declare const getInputExpirationYearFormat: (input: HTMLInputElement) => CCExpirationYearFormat;
export declare const getSelectExpirationYearFormat: (select: HTMLSelectElement) => CCExpirationYearFormat | undefined;
export declare const getSelectExpirationMonthFormat: (select: HTMLSelectElement) => CCExpirationMonthFormat | undefined;
export declare const getCCHaystack: (field: HTMLElement) => string;
export declare const getCachedCCSubtype: (el: HTMLElement) => CCFieldType | undefined;
export declare const getCCFieldType: (field: CCFieldElement) => CCFieldType | undefined;
export declare const matchCCFieldCandidate: (input: HTMLInputElement, { visible }: CCFieldMatchParams) => boolean;
export declare const isCCSelectField: (fnode: Fnode) => boolean;
export {};