fun page(plotlyFragment: PlotlyFragment, route: String = DEFAULT_PAGE, title: String = "Plotly server page '$route'", headers: List<HtmlFragment> = emptyList()): Unitfun page(route: String = DEFAULT_PAGE, title: String = "Plotly server page '$route'", headers: List<HtmlFragment> = emptyList(), content: FlowContent.(renderer: PlotlyRenderer) -> Unit): Unit