/**
 * @license
 * Copyright 2024 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { ReactiveControllerHost } from 'lit';
import { BaseCanvasController } from './base.controller.js';
import { CanvasHost, ConnectionState } from '../interfaces/index.js';
import { WorkflowNode, WorkflowEdge, NodePort, Position } from '../workflow-canvas.types.js';
import type { UndoController } from './undo.controller.js';
/**
 * Controller for managing edge connections
 */
export declare class ConnectionController extends BaseCanvasController {
    private undoController;
    constructor(host: CanvasHost & ReactiveControllerHost);
    /**
     * Set the undo controller (called after initialization)
     */
    setUndoController(controller: UndoController): void;
    /**
     * Start creating a connection from a port
     */
    startConnection(node: WorkflowNode, port: NodePort, isInput: boolean, event: MouseEvent): void;
    /**
     * Update the connection line position during drag
     */
    updateConnectionPosition(event: MouseEvent): void;
    /**
     * Complete the connection when released on a valid port
     */
    completeConnection(node: WorkflowNode, port: NodePort, isInput: boolean): boolean;
    /**
     * Cancel the current connection
     */
    cancelConnection(): void;
    /**
     * Check if currently creating a connection
     */
    isConnecting(): boolean;
    /**
     * Get the current connection state
     */
    getConnectionState(): ConnectionState | null;
    /**
     * Get port position for a node
     */
    getPortPosition(node: WorkflowNode, portId: string, isInput: boolean): Position;
    /**
     * Delete an edge by ID
     */
    deleteEdge(edgeId: string): void;
    /**
     * Get edges connected to a node
     */
    getNodeEdges(nodeId: string): {
        inputs: WorkflowEdge[];
        outputs: WorkflowEdge[];
    };
    /**
     * Set hovered edge ID
     */
    setHoveredEdge(edgeId: string | null): void;
    /**
     * Get hovered edge ID
     */
    getHoveredEdge(): string | null;
}
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