import { Provider } from './provider';
import { Injector } from './injector';
import { Self, SkipSelf } from './metadata';
import { ProvideScope } from './injectable';
export interface ReflectiveDependency {
    injectKey: any;
    visibility: SkipSelf | Self;
    optional: boolean;
}
export interface NormalizedProvider {
    provide: any;
    generateFactory: (injector: Injector, cacheFn: (token: any, value: any) => void) => (...args: any[]) => any;
    deps: ReflectiveDependency[];
    scope: ProvideScope;
}
/**
 * 标准化 provide，并返回统一数据结构
 * @param provider
 */
export declare function normalizeProvider(provider: Provider): NormalizedProvider;