export declare const addMethodMeta: <T>(key: string, mapFn: (prev: T | undefined) => T) => MethodDecorator;
export declare const getMethodMeta: (key: string, target: object, propertyKey: string) => unknown;
export declare const addMethodLabel: (key: string, label: string) => MethodDecorator;
export declare const getMethodLabels: (target: object, propertyKey: string) => Map<string, string>;
export declare const addMethodTag: (tag: string) => MethodDecorator;
export declare const getMethodTags: (target: object, propertyKey: string) => Set<string>;