/// <reference types="validator" />
import NormalizeEmailOptions = ValidatorJS.NormalizeEmailOptions;
import AlphaLocale = ValidatorJS.AlphaLocale;
import AlphanumericLocale = ValidatorJS.AlphanumericLocale;
import IsByteLengthOptions = ValidatorJS.IsByteLengthOptions;
import IsCurrencyOptions = ValidatorJS.IsCurrencyOptions;
import IsEmailOptions = ValidatorJS.IsEmailOptions;
import IsFQDNOptions = ValidatorJS.IsFQDNOptions;
import IsFloatOptions = ValidatorJS.IsFloatOptions;
import IsIntOptions = ValidatorJS.IsIntOptions;
import IsLengthOptions = ValidatorJS.IsLengthOptions;
import MobilePhoneLocale = ValidatorJS.MobilePhoneLocale;
import IsURLOptions = ValidatorJS.IsURLOptions;
import { ValueCheckerAbstract, ValueSanitizerAbstract } from "./base";
export declare class ValueCheckerString extends ValueCheckerAbstract {
    contains(elem: any): this;
    equals(comparison: string): this;
    isAfter(date?: string): this;
    isAlpha(locale?: AlphaLocale): this;
    isAlphanumeric(locale?: AlphanumericLocale): this;
    isAscii(): this;
    isBase64(): this;
    isBefore(date?: string): this;
    isBoolean(): this;
    isByteLength(options: IsByteLengthOptions): any;
    isByteLength(min: number, max?: number): any;
    isCreditCard(): this;
    isCurrency(options?: IsCurrencyOptions): this;
    isDataURI(): this;
    isDecimal(): this;
    isDivisibleBy(number: number): this;
    isEmail(options?: IsEmailOptions): this;
    isEmpty(): this;
    isNotEmpty(): this;
    isFloat(options?: IsFloatOptions): this;
    isFQDN(options?: IsFQDNOptions): this;
    isFullWidth(): this;
    isHalfWidth(): this;
    isHexadecimal(): this;
    isHexColor(): this;
    isIn(values: any[]): this;
    isInt(options?: IsIntOptions): this;
    isIP(version?: number): this;
    isISBN(version?: number): this;
    isISIN(): this;
    isISO8601(): this;
    isJSON(): this;
    isLength(options: IsLengthOptions): any;
    isLength(min: number, max?: number): any;
    isLowercase(): this;
    isMACAddress(): this;
    isMD5(): this;
    isMobilePhone(locale: MobilePhoneLocale): this;
    isMongoId(): this;
    isMultibyte(): this;
    isNumeric(): this;
    isSurrogatePair(): this;
    isUppercase(): this;
    isURL(options?: IsURLOptions): this;
    isUUID(version?: string | number): this;
    isVariableWidth(): this;
    isWhitelisted(chars: string | string[]): this;
    matches(pattern: string, modifiers: string): any;
    matches(pattern: RegExp): any;
}
export declare class ValueSanitizerString extends ValueSanitizerAbstract {
    blacklist(chars: string): this;
    escape(): this;
    unescape(): this;
    trim(chars?: string): this;
    rtrim(chars?: string): this;
    ltrim(chars?: string): this;
    stripLow(keep_new_lines?: boolean): this;
    toBoolean(): this;
    toDate(): this;
    toFloat(): this;
    toInt(radix?: number): this;
    normalizeEmail(options?: NormalizeEmailOptions): this;
    whitelist(chars: string): this;
}
export declare function stringIsBoolean(v: any): boolean;
export declare function stringToBoolean(v: any): boolean;