/**
 * Importing user defined packages
 */
/**
 * Defining types
 */
type MetadataKey = string | symbol;
export interface UpdateMetadataOptions {
    /**
     * Array merge strategy. Defaults to 'merge'.
     */
    arrayStrategy?: 'merge' | 'replace';
}
/**
 * Declaring the constants
 */
declare class ReflectorService {
    decorate: typeof Reflect.decorate;
    metadata: typeof Reflect.metadata;
    getMetadataKeys: typeof Reflect.getMetadataKeys;
    getOwnMetadataKeys: typeof Reflect.getOwnMetadataKeys;
    hasMetadata: typeof Reflect.hasMetadata;
    hasOwnMetadata: typeof Reflect.hasOwnMetadata;
    getMetadata: typeof Reflect.getMetadata;
    getOwnMetadata: typeof Reflect.getOwnMetadata;
    defineMetadata: typeof Reflect.defineMetadata;
    deleteMetadata: typeof Reflect.deleteMetadata;
    appendMetadata<T>(key: MetadataKey, value: T, target: object, propertyKey?: string | symbol): void;
    prependMetadata<T>(key: MetadataKey, value: T, target: object, propertyKey?: string | symbol): void;
    updateMetadata<T extends object = object>(key: MetadataKey, value: T, target: object, propertyKey?: string | symbol, options?: UpdateMetadataOptions): void;
    cloneMetadata(target: object, source: object, propertyKey?: string | symbol, targetPropertyKey?: string | symbol): object;
}
export declare const Reflector: ReflectorService;
export {};