fun Container.window(caption: String? = null, contentWidth: CssSize? = CssSize(0, UNIT.auto), contentHeight: CssSize? = CssSize(0, UNIT.auto), isResizable: Boolean = true, isDraggable: Boolean = true, closeButton: Boolean = false, classes: Set<String> = setOf(), init: Window.() -> Unit = null): Window
DSL builder extension function.
It takes the same parameters as the constructor of the built component.