@mui/base/Dropdown/Dropdown.types.d.ts

/// <reference types="react" />
export interface DropdownProps {
    children: React.ReactNode;
    /**
     * If `true`, the dropdown is initially open.
     */
    defaultOpen?: boolean;
    /**
     * Callback fired when the component requests to be opened or closed.
     */
    onOpenChange?: (event: React.MouseEvent | React.KeyboardEvent | React.FocusEvent | null, open: boolean) => void;
    /**
     * Allows to control whether the dropdown is open.
     * This is a controlled counterpart of `defaultOpen`.
     */
    open?: boolean;
}