pub fn failingDirCreateFileAtomic(userdata: ?*anyopaque, dir: Dir, sub_path: []const u8, options: Dir.CreateFileAtomicOptions) Dir.CreateFileAtomicError!File.Atomic
pub fn failingDirCreateFileAtomic(userdata: ?*anyopaque, dir: Dir, sub_path: []const u8, options: Dir.CreateFileAtomicOptions) Dir.CreateFileAtomicError!File.Atomic { _ = userdata; _ = dir; _ = sub_path; _ = options; return error.NoSpaceLeft; }