fix unused import

use bitflags::bitflags;

use cfg_if::cfg_if;

use foreign_types::{ForeignType, ForeignTypeRef, Opaque};

use libc::{c_char, c_int, c_long, c_uchar, c_uint, c_ulong, c_void};

use libc::{c_char, c_int, c_long, c_uchar, c_uint, c_void};

use once_cell::sync::{Lazy, OnceCell};

use std::any::TypeId;

use std::cmp;

    if #[cfg(ossl300)] {

        type SslOptionsRepr = u64;

    } else {

        type SslOptionsRepr = c_ulong;

        type SslOptionsRepr = libc::c_ulong;

    }

}