import { type SchemaInterface } from "../lib/base";
/**
 * Representing a string from JSON schema.
 */
export interface OpenApiString extends SchemaInterface<string> {
    /**
     * Adds a format to this OpenApiString.
     *
     * @param val - a format string i.e. "date" or "date-time"
     */
    addFormat(val: string): this;
    /**
     * Validates the string with the minimum length.
     *
     * @param min - Min length of the string.
     */
    addMinLength(min: number): this;
    /**
     * Validates the string with the maximum length.
     *
     * @param max - Max length of the string.
     */
    addMaxLength(max: number): this;
    /**
     * Validates the string with a regular expresssion.
     *
     * @param pattern - Regular expression to validate against.
     */
    addPattern(pattern: RegExp): this;
}
/**
 * Creates a OpenAPI String Schema.
 */
export declare const String: OpenApiString;