import { Placement } from '@popperjs/core';
import { ReactNode } from 'react';
/**
 * Configuration for nested dropdown behavior
 */
export interface NestedDropdownConfig {
    /** Delay before opening submenu on hover (ms) */
    openDelay: number;
    /** Delay before closing submenu when mouse leaves (ms) */
    closeDelay: number;
    /** Maximum nesting depth allowed */
    maxDepth: number;
    /** Placement preference for submenus */
    placement: Placement;
    /** Whether to use keyboard navigation */
    enableKeyboardNavigation: boolean;
    /** Custom layer root ID prefix */
    layerIdPrefix: string;
}
/**
 * Default configuration for nested dropdowns
 */
export declare const DEFAULT_NESTED_CONFIG: NestedDropdownConfig;
/**
 * State for a single submenu
 */
export interface SubmenuState {
    /** Whether the submenu is currently open */
    isOpen: boolean;
    /** Whether the mouse is currently over the submenu area */
    isHovered: boolean;
    /** Unique identifier for this submenu */
    id: string;
    /** Current nesting level (0 = root) */
    level: number;
    /** Parent submenu ID (if any) */
    parentId?: string;
}
/**
 * Context for managing nested dropdown state
 */
export interface NestedDropdownContextValue {
    /** Current configuration */
    config: NestedDropdownConfig;
    /** Map of all submenu states */
    submenus: Map<string, SubmenuState>;
    /** Open a submenu */
    openSubmenu: (id: string, parentId?: string) => void;
    /** Close a submenu */
    closeSubmenu: (id: string) => void;
    /** Close all submenus at or below a certain level */
    closeSubmenusFromLevel: (level: number) => void;
    /** Set hover state for a submenu */
    setSubmenuHover: (id: string, isHovered: boolean) => void;
    /** Get the current nesting level for a submenu */
    getSubmenuLevel: (id: string) => number;
    /** Check if maximum depth would be exceeded */
    canOpenSubmenu: (parentId?: string) => boolean;
}
/**
 * Props for components that can have submenus
 */
export interface SubmenuCapableProps {
    /** Unique identifier for this item */
    submenuId?: string;
    /** Content to render in the submenu */
    submenu?: ReactNode;
    /** Custom configuration for this submenu */
    submenuConfig?: Partial<NestedDropdownConfig>;
    /** Called when submenu opens */
    onSubmenuOpen?: (id: string) => void;
    /** Called when submenu closes */
    onSubmenuClose?: (id: string) => void;
}
/**
 * Positioning data for a submenu
 */
export interface SubmenuPositioning {
    /** Reference element for positioning */
    anchorElement: HTMLElement;
    /** Preferred placement */
    placement: Placement;
    /** Z-index for layering */
    zIndex: number;
    /** Layer root ID */
    layerId: string;
}