mode="inline" for a sidebar, where each submenu expands in place and pushes the items below it down.mode="horizontal" for a navigation bar across the top of the page, where each submenu opens as a popup below its item.mode="vertical" to open each submenu as a popup beside the menu, so the menu keeps its height however deep the tree is.theme="dark" for a dark menu on a light page, like the sidebar of an admin app.type: "group" to put a heading over its children, or type: "divider" to draw a line between two sections.inlineCollapsed on an inline menu to shrink it to its icons, with each submenu opening as a popup to the side.selectedKeys and onSelect to decide which item is selected yourself, like when the current route sets it.expandIcon to replace the submenu arrow with your own icon, like a plus that turns into a minus while the submenu is open.more icon.overflowedIndicator to null to show the overflow submenu without an icon, or pass a node to use your own.selectable to false for a list of actions, where a click fires onClick and no item stays highlighted.multiple to keep more than one item selected, like a list of filters where each click turns one on or off.openKeys and close the siblings in onOpenChange, so opening a submenu closes the others at its level.theme on a submenu item to give its popup a theme of its own, like a light popup opening from a dark menu.mode and theme from state to switch a menu between inline and vertical, or between light and dark.tooltip to configure the label a collapsed menu shows on hover, like { placement: "right" }, or false to turn it off.popupRender to lay out a submenu's popup yourself, like a two-column product menu with an icon and a description on each item.