/**
 * SimpleEventOverlapManager - Clean, focused overlap management
 * Eliminates complex state tracking in favor of direct DOM manipulation
 */
import { CalendarEvent } from '../types/CalendarTypes';
export declare enum OverlapType {
    NONE = "none",
    COLUMN_SHARING = "column_sharing",
    STACKING = "stacking"
}
export interface OverlapGroup {
    type: OverlapType;
    events: CalendarEvent[];
    position: {
        top: number;
        height: number;
    };
}
export interface StackLink {
    prev?: string;
    next?: string;
    stackLevel: number;
}
export declare class SimpleEventOverlapManager {
    private static readonly STACKING_WIDTH_REDUCTION_PX;
    /**
     * Detect overlap type between two DOM elements - pixel-based logic
     */
    resolveOverlapType(element1: HTMLElement, element2: HTMLElement): OverlapType;
    /**
     * Group overlapping elements - pixel-based algorithm
     */
    groupOverlappingElements(elements: HTMLElement[]): HTMLElement[][];
    /**
     * Create flexbox container for column sharing - clean and simple
     */
    createEventGroup(events: CalendarEvent[], position: {
        top: number;
        height: number;
    }): HTMLElement;
    /**
     * Add event to flexbox group - simple relative positioning
     */
    addToEventGroup(container: HTMLElement, eventElement: HTMLElement): void;
    /**
     * Create stacked event with data-attribute tracking
     */
    createStackedEvent(eventElement: HTMLElement, underlyingElement: HTMLElement, stackLevel: number): void;
    /**
     * Remove stacked styling with proper stack re-linking
     */
    removeStackedStyling(eventElement: HTMLElement): void;
    /**
     * Update stack levels for all events following a given event ID
     */
    private updateSubsequentStackLevels;
    /**
     * Check if element is stacked - check both style and data-stack-link
     */
    isStackedEvent(element: HTMLElement): boolean;
    /**
     * Remove event from group with proper cleanup
     */
    removeFromEventGroup(container: HTMLElement, eventId: string): boolean;
    /**
     * Restack events in container - respects separate stack chains
     */
    restackEventsInContainer(container: HTMLElement): void;
    /**
     * Utility methods - simple DOM traversal
     */
    getEventGroup(eventElement: HTMLElement): HTMLElement | null;
    isInEventGroup(element: HTMLElement): boolean;
    /**
     * Helper methods for data-attribute based stack tracking
     */
    getStackLink(element: HTMLElement): StackLink | null;
    private setStackLink;
    private findElementById;
}