import { CtorT } from '../../core/ctor';
export declare type SimpleDependencySource = CtorT<any> | string;
export declare type DependencySource = SimpleDependencySource | (() => SimpleDependencySource);
export declare type CallbackSource<T> = {
    useCallback: {
        (...args: any[]): T;
    };
    cache?: boolean;
    deps?: DependencySource[];
};
export declare type ValueSource<T> = {
    useValue: T;
};
export declare type ClassSource<T, TImpl extends T> = {
    useClass: CtorT<TImpl>;
};
export declare type ProvideMetadataSelector<T> = {
    provide: CtorT<T>;
};
export declare type ProvideMetadataCallbackSource<T> = ProvideMetadataSelector<T> & CallbackSource<T>;
export declare type ProvideMetadataValueSource<T> = ProvideMetadataSelector<T> & ValueSource<T>;
export declare type ProvideMetadataClassSource<T, TImpl extends T> = ProvideMetadataSelector<T> & ClassSource<T, TImpl>;
export declare type ProvideMetadata<T> = ProvideMetadataClassSource<T, any> | ProvideMetadataValueSource<T> | ProvideMetadataCallbackSource<T>;