/**
 * WithTreeMenu story behavior split by theme.
 *
 * | Concern | Connect | Modern / Classic |
 * |---------|---------|-------------------|
 * | Navbar ↔ side-nav sync (`handleMenuOpenChange`) | Shared | Shared |
 * | Stale `mainMenuOpenChange` after click-outside collapse (`suppressNextMenuOpen`) | Shared | Shared |
 * | `expandedChange` submenu cleanup | Flyout + `blockExpand` | `collapseSubmenu()` only |
 * | Data row start slot | Flyout dropdown | `master_data` icon |
 * | `hideFlyout` / flyout timers | Yes | No |
 * | Collapsed rail CSS (hide labels, end slot, grid) | Yes | No |
 * | `min-width` 5rem collapsed rail | Story arg (Connect layout) | Default 4rem when arg omitted |
 */
/** Side-nav width transition (modus-wc-side-navigation.scss). */
export declare const WITH_TREE_MENU_SIDE_NAV_COLLAPSE_MS = 220;
export type WithTreeMenuFlyoutState = {
    dataIconDropdown: HTMLElement | null;
    flyoutOpenTimer: ReturnType<typeof setTimeout> | null;
    collapseFlyoutTimer: ReturnType<typeof setTimeout> | null;
};
export type WithTreeMenuMenuOpenSuppress = {
    get: () => boolean;
    set: (value: boolean) => void;
};
export declare const hideWithTreeMenuFlyout: (state: WithTreeMenuFlyoutState) => void;
export declare const setWithTreeMenuDataFlyoutDisabled: (state: WithTreeMenuFlyoutState, disabled: boolean) => void;
export declare const openWithTreeMenuDataFlyout: (state: WithTreeMenuFlyoutState, defer?: boolean) => void;
/** Modern/Classic: same pattern as WithSubmenu — no flyout or blockExpand. */
export declare const handleWithTreeMenuExpandedChangeClassicModern: (e: CustomEvent<boolean>, eventSource: HTMLElement, menuOpenSuppress: WithTreeMenuMenuOpenSuppress) => void;
/** Connect: flyout, blockExpand, and inline submenu coordination. */
export declare const handleWithTreeMenuExpandedChangeConnect: (e: CustomEvent<boolean>, eventSource: HTMLElement, flyoutState: WithTreeMenuFlyoutState, menuOpenSuppress: WithTreeMenuMenuOpenSuppress) => void;
/** Navbar hamburger ↔ side-nav expanded (all themes). */
export declare const handleWithTreeMenuMenuOpenChange: (e: CustomEvent<boolean>, menuOpenSuppress: WithTreeMenuMenuOpenSuppress) => void;
export declare const resetWithTreeMenuForNonConnectTheme: (flyoutState: WithTreeMenuFlyoutState) => void;