#[inline]
pub fn folded() -> &'static str {
    "folded"
}

#[inline]
pub fn show_end_title_buttons() -> &'static str {
    "show-end-title-buttons"
}

#[inline]
pub fn show_start_title_buttons() -> &'static str {
    "show-start-title-buttons"
}

#[inline]
pub fn visible() -> &'static str {
    "visible"
}
