import type { Context, Middleware } from "@nifrajs/core/server";
/**
 * Store the current nifra `Context` in `AsyncLocalStorage` for helpers that run away from the handler
 * argument, e.g. repository/logger functions called deep in the stack.
 *
 * Import from `@nifrajs/middleware/context-storage` so ordinary `@nifrajs/middleware` imports stay
 * node-compat-free on edge runtimes. The runtime must support `node:async_hooks` AsyncLocalStorage.
 */
export declare function contextStorage(): Middleware;
/** Return the current request context, or throw when no context-storage wrapper is active. */
export declare function getContext<C extends Context = Context>(): C;
/** Return the current request context, or `undefined` outside a context-storage request. */
export declare function tryGetContext<C extends Context = Context>(): C | undefined;
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