import { I18nInstance, ServerI18nScope, CreateServerI18nScopeOptions } from './index.js';

/** Resolves the i18n instance that belongs to an incoming server request. */
type ServerI18nResolver<T extends I18nInstance = I18nInstance> = (request: Request) => T | Promise<T>;
/** Configuration for a request-scoped i18n runner. */
type CreateScopedI18nRunnerOptions = {
    /** Adapter-specific error text when resolving request i18n fails. */
    failureMessage: string;
};
/** Runs adapter dispatch inside one resolved request-local i18n scope. */
type ScopedI18nRunner<T extends I18nInstance = I18nInstance> = {
    run<Result>(request: Request, next: (i18n: T) => Result | Promise<Result>): Promise<Result>;
    scope: ServerI18nScope<T>;
};
declare function createServerI18nScope<T extends I18nInstance = I18nInstance>(options?: CreateServerI18nScopeOptions): ServerI18nScope<T>;
/**
 * Resolves request i18n and runs adapter dispatch in its shared server scope.
 *
 * Framework packages supply their own public wrapper and curated resolver
 * failure text, while this function owns the identical resolution and async
 * scope lifecycle.
 */
declare function createScopedI18nRunner<T extends I18nInstance = I18nInstance>(resolveI18n: ServerI18nResolver<T>, { failureMessage }: CreateScopedI18nRunnerOptions): ScopedI18nRunner<T>;

export { CreateServerI18nScopeOptions, ServerI18nScope, createScopedI18nRunner, createServerI18nScope };
export type { CreateScopedI18nRunnerOptions, ScopedI18nRunner, ServerI18nResolver };