import { MessageFunctionType, Result } from '../types';
export interface IsMongoIDErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_MONGO_ID_ERRORS: IsMongoIDErrors;
/**
 * Tests whether the `target` string is a valid MongoID
 *
 * ### Example
 * ```
 * expect(isMongoId('507f1f77bcf86cd799439011').value).toBeTruthy()
 * ```
 * @param target The target string
 */
export declare function isMongoId(target: string): Result<boolean | undefined>;