type PermissionFs = {
    statSync: (filePath: string) => {
        mode: number;
    };
    chmodSync: (filePath: string, mode: number) => void;
};
/**
 * Best-effort permission fix for packaged binaries.
 * If execute bits are missing, attempt to restore them.
 */
export declare function ensureExecutable(filePath: string, fileSystem?: PermissionFs): void;
export {};
//# sourceMappingURL=permissions.d.ts.map