pub unsafe extern "C" fn gst_param_spec_fraction(
    name: *const c_char,
    nick: *const c_char,
    blurb: *const c_char,
    min_num: c_int,
    min_denom: c_int,
    max_num: c_int,
    max_denom: c_int,
    default_num: c_int,
    default_denom: c_int,
    flags: GParamFlags
) -> *mut GParamSpec