export declare class MaskUtil {
    static CPF_TEXT_FIELD_PATTERN: string;
    static CNPJ_TEXT_FIELD_PATTERN: string;
    static BOLETO_TEXT_FIELD_PATTERN: string;
    static CELLPHONE_TEXT_FIELD_PATTERN: string;
    static URUGUAY_CELLPHONE_TEXT_FIELD_PATTERN: string;
    static PARAGUAY_CELLPHONE_TEXT_FIELD_PATTERN: string;
    static PHONE_TEXT_FIELD_PATTERN: string;
    static POSTALCODE_TEXT_FIELD_PATTERN: string;
    static PLATE_FIELD_PATTERN: string;
    static HOURS_MINUTES_FIELD_PATTERN: string;
    static DNI_FIELD_PATTERN: string;
    static CUIT_FIELD_PATTERN: string;
    static stripDocumentFormatting(value: string): string;
    static formatDocument(stringValue: string): string;
    static formatPostalCode(stringValue: string): string;
    static formatBoleto(stringValue: string): string;
    static formatPhone(stringValue: string): string;
    static formatHoursMinutes(stringValue: string): string;
    static formatPlate(stringValue: string): string;
    static formatDni(stringValue: string): string;
    static formatCuit(stringValue: string): string;
    static doMaskString(str: string, pattern?: string): string;
}