#[derive(Debug)]
pub struct Local;
#[derive(Debug)]
pub struct FixedOffset;
#[derive(Debug)]
pub struct DateTime<Tz> {
_tz: Tz,
}
#[derive(Debug)]
pub struct Utc;
#[derive(Debug)]
pub struct NaiveDateTime;
#[derive(Debug)]
pub struct NaiveDate;
#[derive(Debug)]
pub struct NaiveTime;