/**
 * Resolve the full path to the Bun executable.
 *
 * 1. Tries `Bun.which("bun")` (uses PATH)
 * 2. Scans common install locations via `existsSync`
 * 3. Falls back to bare `"bun"` (let the OS try PATH at spawn time)
 */
export declare function resolveBunPath(): string;
/**
 * Cached version of `resolveBunPath()`. Resolves once, returns the same
 * result for all subsequent calls within the same process.
 */
export declare function resolveBunPathCached(): string;
/**
 * Reset the cached Bun path. Exposed for testing only.
 * @internal
 */
export declare function _resetBunPathCache(): void;
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