mostly finished rewrite

public/node_modules/react-bootstrap/esm/DropdownButton.d.ts

@@ -0,0 +1,24 @@
+import * as React from 'react';
+import { DropdownProps } from './Dropdown';
+import { PropsFromToggle } from './DropdownToggle';
+import { DropdownMenuVariant } from './DropdownMenu';
+import { BsPrefixProps, BsPrefixRefForwardingComponent } from './helpers';
+export interface DropdownButtonProps extends Omit<DropdownProps, 'title'>, PropsFromToggle, BsPrefixProps {
+    title: React.ReactNode;
+    menuRole?: string;
+    renderMenuOnMount?: boolean;
+    rootCloseEvent?: 'click' | 'mousedown';
+    menuVariant?: DropdownMenuVariant;
+    flip?: boolean;
+}
+/**
+ * A convenience component for simple or general use dropdowns. Renders a `Button` toggle and all `children`
+ * are passed directly to the default `Dropdown.Menu`. This component accepts all of
+ * [`Dropdown`'s props](#dropdown-props).
+ *
+ * _All unknown props are passed through to the `Dropdown` component._ Only
+ * the Button `variant`, `size` and `bsPrefix` props are passed to the toggle,
+ * along with menu-related props are passed to the `Dropdown.Menu`
+ */
+declare const DropdownButton: BsPrefixRefForwardingComponent<'div', DropdownButtonProps>;
+export default DropdownButton;