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TypeScript

import type { AstroAdapterFeatures, MiddlewareMode } from '../types/public/integrations.js';
/**
* Resolves the middleware mode from adapter features.
* Handles backward compatibility with the deprecated `edgeMiddleware` flag.
*
* @example
* ```ts
* // New way
* resolveMiddlewareMode({ middlewareMode: 'always' }) // 'always'
*
* // Backward compatibility
* resolveMiddlewareMode({ edgeMiddleware: true }) // 'edge'
* resolveMiddlewareMode({ edgeMiddleware: false }) // 'classic'
*
* // Default
* resolveMiddlewareMode({}) // 'classic'
* ```
*/
export declare function resolveMiddlewareMode(features?: AstroAdapterFeatures): MiddlewareMode;