/**
 * Logs every call to this method on stdout.
 *
 * @group Decorators
 */
export declare function log(): (target: object, propertyKey: string | symbol, descriptor: PropertyDescriptor) => PropertyDescriptor;
/**
 * Makes sure that calls to this async method are stacked up and are called one after another and not parallel.
 *
 * @group Decorators
 */
export declare function stack(): (target: object, propertyKey: string, descriptor: TypedPropertyDescriptor<(...args: any[]) => Promise<any>>) => void;
/**
 * Makes sure that this async method is only running once at a time. When this method is running and it is tried
 * to call it another times, that call is "dropped" and it returns simply the result of the previous running call (waiting for it to complete first).
 *
 * @group Decorators
 */
export declare function singleStack(): (target: object, propertyKey: string, descriptor: TypedPropertyDescriptor<(...args: any[]) => Promise<any>>) => void;