/**
 * WSL2 detection utilities.
 *
 * Results are cached for the session lifetime to avoid repeated spawns.
 */
/**
 * Check if WSL2 is available on this system.
 * Cached after first call.
 */
export declare function isWsl2Available(): boolean;
/**
 * Check if a specific WSL distro is installed.
 * Cached per distro name.
 */
export declare function isDistroInstalled(name: string): boolean;
/** Clear the detection cache. Call after importing/unregistering a distro. */
export declare function clearDetectionCache(): void;
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