import { ClassType, ResolverData } from '@tngraphql/graphql';
export declare const OPTIONAL_DEPS_METADATA = "optional:paramtypes";
export declare const OPTIONAL_PROPERTY_DEPS_METADATA = "optional:properties_metadata";
export declare function registerCustomInject(callback: (resolverData: ResolverData<any>) => any): Function;
export declare const ResolveData: Function;
export declare function Inject(typeOrName?: ((type?: any) => Function) | string | ClassType<any>): Function;