import { Schema } from '../core/schema';
import { PhoneNumberInfo } from '../phoneNumbers';
import { PostalCodeInfo } from '../postalCodes';
import { NullableType } from '../types/types';
export declare class StringSchema<Input extends NullableType<string> = string, Final = any> extends Schema<Input, Final> {
    protected message: string;
    protected rule: (value: string) => boolean;
    protected getRequiredStringCondition: (value: string) => value is "";
    protected getNotRequiredStringCondition: (value: string) => boolean;
    /**
     * Checks if has a size bigger than minValue
     * @param minValue min string length
     * @param message @option Overrides default message
     */
    min(minValue: number, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if has a size smaller than maxValue
     * @param maxValue max string length
     * @param message @option Overrides default message
     */
    max(maxValue: number, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is between minValue and maxValue.
     * @param minValue min number value
     * @param maxValue max number value
     * @param message @option Overrides default message
     */
    between(minValue: number, maxValue: number, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string has `maxValue` length
     * @param length string length
     * @param message @option Overrides default message
     */
    length(length: number, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is equal to value.
     * @param value to equal
     * @param message @option Overrides default message
     */
    equals(value: string | string[], message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Matches regular expression
     * @param reg Regular expression
     * @param message @option Overrides default message
     */
    pattern(reg: RegExp, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is empty
     * @param message @option Overrides default message
     */
    empty(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string contains value
     * @param value value to check if contains
     * @param message @option Overrides default message
     */
    contains(value: string, message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string contains only numeric characters
     * @param message @option Overrides default message
     */
    numeric(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string contains only alpha characters
     * @param message @option Overrides default message
     */
    alpha(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string contains only alpha-numeric characters
     * @param message @option Overrides default message
     */
    alphanum(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string contains only contains alpha-numeric characters, as well as dashes and underscores.'
     * @param message @option Overrides default message
     */
    alphadash(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is hexadecimal.
     * @param message @option Overrides default message
     */
    hex(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is base64.
     * @param message @option Overrides default message
     */
    base64(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is format uuid.
     * @param message @option Overrides default message
     */
    uuid(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is URL accepted
     * @param message @option Overrides default message
     */
    url(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if string is format cuid.
     * @param message @option Overrides default message
     */
    cuid(message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is a valid email.
     * @param mode @option Defines if is basic or precise validation
     * @param message @option Overrides default message
     */
    email(mode?: 'basic' | 'precise', message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is a valid postalCode.
     * @param postalCode postal code to validate or a function which we can return desired postal code
     * @param message @option Overrides default message
     */
    postalCode(postalCode: PostalCodeInfo | ((value: NonNullable<Input>, form: any) => PostalCodeInfo), message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is a valid phoneNumber.
     * @param phoneNumber phone number to validate or a function which we can return desired phone number
     * @param message @option Overrides default message
     */
    phoneNumber(phoneNumber: PhoneNumberInfo | ((value: NonNullable<Input>, form: any) => PhoneNumberInfo), message?: string): import('..').ObjectPropertiesSchema<Input, this["final"]>;
    /**
     * Checks if is a value of enum.
     * @param enumObject enum
     * @param message @option Overrides default message
     */
    enum<T extends {
        [name: string]: any;
    }>(enumObject: T, message?: string): StringSchema<T[keyof T], Final>;
}
export declare const string: <Input extends string = string, Final = any>(message?: string) => StringSchema<Input, Final>;