import type { RuntimeMode, SSRLoadedRenderer } from '../../@types/astro.js';
import type { Logger } from '../logger/core.js';
import type { RouteCache } from './route-cache.js';
/**
 * An environment represents the static parts of rendering that do not change
 * between requests. These are mostly known when the server first starts up and do not change.
 * Thus, they can be created once and passed through to renderPage on each request.
 */
export interface Environment {
    /**
     * Used to provide better error messages for `Astro.clientAddress`
     */
    adapterName?: string;
    /** logging options */
    logger: Logger;
    /** "development" or "production" */
    mode: RuntimeMode;
    compressHTML: boolean;
    renderers: SSRLoadedRenderer[];
    clientDirectives: Map<string, string>;
    resolve: (s: string) => Promise<string>;
    routeCache: RouteCache;
    /**
     * Used for `Astro.site`
     */
    site?: string;
    /**
     * Value of Astro config's `output` option, true if "server" or "hybrid"
     */
    ssr: boolean;
    streaming: boolean;
}
export type CreateEnvironmentArgs = Environment;
export declare function createEnvironment(options: CreateEnvironmentArgs): Environment;