import { type ValidateFunction } from './user-query.js';
export type RegExStringValidationOptions = {
    regex: string | RegExp;
    /**
     * The default error message is "must match regex ${regex}" which isn't terribly user-friendly.
     * Use `errorMessage` to provide a more friendly error message.
     */
    errorMessage?: string;
};
export type MinLengthStringValidationOptions = {
    minLength: number;
};
export type MaxLengthStringValidationOptions = {
    maxLength: number;
};
export type MinMaxLengthStringValidationOptions = MinLengthStringValidationOptions & MaxLengthStringValidationOptions;
export type StringValidationOptions = RegExStringValidationOptions | MinLengthStringValidationOptions | MaxLengthStringValidationOptions | MinMaxLengthStringValidationOptions;
/**
 * Builds a function that conforms to `ValidateFunction` that requires a string to match the given
 * conditions.
 */
export declare const stringValidateFn: (options: StringValidationOptions) => ValidateFunction<string>;
export type NumberValidateOptions = {
    min?: number;
    max?: number;
};
export declare const numberValidateFn: (options?: NumberValidateOptions) => ValidateFunction<number | undefined>;
type URLValidateFnOptions = {
    httpsRequired?: boolean;
    /**
     * Setting this to true (along with httpsRequired) will allow http protocol for localhost
     * and 127.0.0.1.
     */
    allowLocalhostHTTP?: boolean;
    /**
     * Required by default.
     */
    required?: boolean;
    minPort?: number;
    maxPort?: number;
};
export declare const urlValidateFn: (options?: URLValidateFnOptions) => ValidateFunction<string>;
export declare const emailValidate: (input: string) => true | string;
export declare const urlValidate: ValidateFunction<string>;
export declare const httpsURLValidate: ValidateFunction<string>;
export declare const localhostOrHTTPSValidate: ValidateFunction<string>;
export {};
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