declare global { namespace Reflect { function getMetadata(metadataKey: any, target: Object): any; function getMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): any; } } export declare function getReflectMetadata(metadataKey: any, target: Object, key?: string | symbol): any; export declare function getClsTypeByDecorator(type: any, target: any, key: string | symbol): any; export declare function getGlobalTypeByDecorator(type: any, target: any, key: string | symbol): string | symbol;