export declare const KEYS: {
    readonly INJECTED_PROPS: "injected:props";
    readonly INJECT: "inject";
    readonly SELF: "self";
    readonly SKIP_SELF: "skipSelf";
    readonly OPTIONAL: "optional";
    readonly POST_CONSTRUCT: "postConstruct";
    readonly PRE_DESTROY: "preDestroy";
};
export declare const STATUS: {
    readonly DEFAULT: "default";
    readonly INITING: "initing";
    readonly ACTIVATED: "activated";
};
export declare const BINDING: {
    readonly INVALID: "Invalid";
    readonly INSTANCE: "Instance";
    readonly CONSTANT: "ConstantValue";
    readonly DYNAMIC: "DynamicValue";
};
/**
 * 错误消息模板
 *
 * 这些消息用于装饰器和 token 模块中的运行时错误检测，
 * 与 errors/ 目录下的错误类无关（错误类有自己的消息前缀）。
 */
export declare const ERRORS: {
    readonly POST_CONSTRUCT: "Multiple @PostConstruct decorators are not allowed in a single class.";
    readonly PRE_DESTROY: "Multiple @PreDestroy decorators are not allowed in a single class.";
    readonly INVALID_TOKEN: "@Inject requires a valid token, but received null or undefined.";
    readonly LAZY_INJECT_INVALID_TOKEN: "@LazyInject requires a valid token, but received null or undefined.";
    readonly DECORATE_NOT_SUPPORT_INITIALIZER: "decorate does not support decorators that rely on context.addInitializer (e.g. @LazyInject).";
};
export declare const UNINITIALIZED: unique symbol;
export type BindingType = (typeof BINDING)[keyof typeof BINDING];
export type StatusType = (typeof STATUS)[keyof typeof STATUS];
/**
 * Object.hasOwn 的兼容性替代函数
 * Object.hasOwn 在部分旧版浏览器和运行时中不可用（ES2022+），
 * 此函数使用 Object.prototype.hasOwnProperty.call 实现相同语义。
 */
export declare function hasOwn(obj: object, key: PropertyKey): boolean;
export declare function isObject(val: unknown): val is object;