import { AbstractType, Type } from './type';
import { InjectionToken } from './injection-token';
/**
 * 查找规则
 */
export declare enum InjectFlags {
    /** 默认查找规则 */
    Default = "Default",
    /** 锁定当前容器 */
    Self = "Self",
    /** 跳过当前容器 */
    SkipSelf = "SkipSelf",
    /** 可选查找 */
    Optional = "Optional"
}
/**
 * DI 容器抽象基类
 */
export declare abstract class Injector {
    abstract parentInjector: Injector;
    abstract get<T>(token: Type<T> | AbstractType<T> | InjectionToken<T>, notFoundValue?: T, flags?: InjectFlags): T;
}