import { MessageFunctionType, Result } from '../types';
export interface IsAlphaNumericErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
    LOCALE_ARGUMENT_NOT_A_STRING: MessageFunctionType;
    INVALID_LOCALE: MessageFunctionType;
    INVALID_IGNORE_OPTION: MessageFunctionType;
}
export declare const IS_ALPHA_NUMERIC_ERRORS: IsAlphaNumericErrors;
/**
 * Tests whether `target` is in alphanumeric
 *
 * ### Example
 * ```
 * expect(isAlphaNumeric('abc123').value).toBeTruthy()
 * ```
 *
 * @param _target The target string
 * @param locale The locale (Defaults to 'en-US')
 */
export declare function isAlphaNumeric(_target: string, locale?: string, options?: any): Result<boolean | undefined>;
/**
 * The alpha numeric locales
 */
export declare const isAlphaNumericLocales: string[];