import { Env } from './env';
/**
 * An annotation for methods which should only be called in a dev-context,
 * as identified by {@link isForDevelopment}.
 * @note Assumes that the environment is some static application-level configuration, such as
 *     a constant read from a config file or from the environment.
 * @param env - the current environment the system is running in.
 */
export declare function devOnly(env: Env): (_target: any, _propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;