export type DevPrewarmReadiness = 'background' | 'beforeReady';
export type DevStaticRoutePrewarmOptions = {
    pathnames: readonly string[];
    readiness?: DevPrewarmReadiness;
    renderPath: (pathname: string) => Promise<void>;
    /** Invoked with the pathname list before rendering begins. */
    onPathnamesResolved?: (pathnames: readonly string[]) => void;
};
/**
 * Renders declared pathnames so first client navigations hit warm graphs and scoped watch HTML cache.
 */
export declare function runDevStaticRoutePrewarm(options: DevStaticRoutePrewarmOptions): Promise<void>;
/**
 * Fire-and-forget wrapper around {@link runDevStaticRoutePrewarm}.
 */
export declare function startDevStaticRoutePrewarm(options: DevStaticRoutePrewarmOptions): void;