import { type AsyncContextStorage } from "./async-context.js";
export type ReadonlyAcontext<T> = {
    readonly name: string;
    get(): T;
    getOrNull(): T | null;
    getOrElse<TElse>(else_fn: () => TElse): T | TElse;
};
export type Acontext<T> = ReadonlyAcontext<T> & {
    readonly default?: () => T;
    readonly storage: AsyncContextStorage<{
        value: T;
    }>;
    run<R>(value: T, cb: () => Promise<R>): Promise<R>;
    asReadonly(): ReadonlyAcontext<T>;
};
export declare const createAcontext: <T extends unknown>(name: string, default_fn?: Acontext<T>["default"]) => Acontext<T>;
type AContextValue<T> = T extends Acontext<infer R> ? R : never;
type AContextsValues<T extends Array<any>> = T extends [] ? [] : T extends [infer Head, ...infer Tail] ? [AContextValue<Head>, ...AContextsValues<Tail>] : T extends Array<infer Head> ? AContextValue<Head>[] : never;
export declare const useAcontexts: <const ACS extends Array<Acontext<any>>>(ctxs: ACS) => <R extends unknown>(values: AContextsValues<ACS>, run: () => Promise<R>) => Promise<R>;
export declare class AcontextMap {
    #private;
    set<T extends Acontext<unknown>>(context: T, value: AContextValue<T>): this;
    get<T>(context: Acontext<T>): any;
    has(context: Acontext<any>): boolean;
    run<T>(runner: () => Promise<T>): Promise<T>;
}
export {};
//# sourceMappingURL=acontext.d.ts.map