pub trait VisibilityStateEntryMethods<D>where
    D: DomTypes,{
    // Required methods
    fn Name(&self) -> DOMString;
    fn EntryType(&self) -> DOMString;
    fn StartTime(&self) -> Finite<f64>;
    fn Duration(&self) -> u32;
}pub trait VisibilityStateEntryMethods<D>where
    D: DomTypes,{
    // Required methods
    fn Name(&self) -> DOMString;
    fn EntryType(&self) -> DOMString;
    fn StartTime(&self) -> Finite<f64>;
    fn Duration(&self) -> u32;
}