fun Container.hPanel(wrap: FlexWrap? = null, justify: FlexJustify? = null, alignItems: FlexAlignItems? = null, spacing: Int? = null, classes: Set<String>? = null, className: String? = null, init: (HPanel.() -> Unit)? = null): HPanel
DSL builder extension function.
It takes the same parameters as the constructor of the built component.