export type validityFlag = 'valueMissing' | 'typeMismatch' | 'patternMismatch' | 'tooLong' | 'tooShort' | 'rangeUnderflow' | 'rangeOverflow' | 'stepMismatch' | 'badInput' | 'customError' | 'valid';
export type DsValidityEvent = {
    flag: validityFlag;
    message?: string;
};
export type DsSubmitInvalidEvent = {
    flag: validityFlag;
    message: string;
};
export interface ValidityMessageOptions {
    type?: HTMLInputElement['type'];
}
export declare const typeMismatch: (opts?: ValidityMessageOptions) => string;
export declare const validityMessage: (flag: validityFlag, opts?: ValidityMessageOptions) => string;
export declare const getOptionalText: (text: string | undefined, optionalText?: string) => string;
export declare const getRequiredText: (text: string | undefined) => string;