import { ArrowBindingService } from '../elements/arrow-binding.service';
import { ConnectionPointsService } from '../elements/connection-points.service';
import { ConnectionUIService } from '../elements/connection-ui.service';
import { Direction, Point, PointerInfo, ToolType } from '../types';
import { BaseTool } from './base-tool';
import { CursorType } from '../types/cursors';
export declare enum SelectAction {
    None = 0,
    Select = 1,
    Move = 2,
    Resize = 3,
    Rotate = 4,
    BoxSelect = 5,
    /** Dragging an arrow/line endpoint handle to move, attach, or detach */
    DragEndpoint = 6,
    /** Dragging the middle curve handle to adjust arrow curvature */
    DragCurveHandle = 7
}
export declare class SelectTool extends BaseTool {
    type: ToolType;
    baseCursor: CursorType;
    private currentAction;
    private startPoint;
    private currentHandle;
    private rotateStartAngle;
    private selectionCenter;
    private initialBoundingBox;
    private initialElementRotations;
    private initialElementStates;
    private rafId;
    private pendingPointerEvent;
    private dragEndpointId;
    private dragEndpointEnd;
    private dragEndpointSnap;
    private readonly SNAP_RADIUS;
    private dragCurveArrowId;
    private arrowBindingsDetached;
    private connectionPointsService;
    private arrowBindingService;
    private connectionUIService;
    setConnectionServices(cp: ConnectionPointsService, ab: ArrowBindingService, ui: ConnectionUIService): void;
    getCurrentAction(): SelectAction;
    getStartPoint(): Point | null;
    getCurrentHandle(): Direction | null;
    onDeactivate(): void;
    handlePointerDown(event: PointerInfo): void;
    handlePointerMove(event: PointerInfo): void;
    handlePointerUp(): void;
    private handleElementSelect;
    private handleMove;
    private handleResize;
    private handleRotate;
    /**
     * Handle dragging an endpoint of an arrow or line in real-time.
     * For arrows: attempts snap-to-shape with visual feedback.
     * For lines: free movement of the endpoint.
     */
    private handleDragEndpoint;
    /**
     * Finalize the endpoint drag.
     * For arrows: commit binding if snapped, or detach.
     * For lines: no further action needed (already updated in real-time).
     */
    private finalizeDragEndpoint;
    /**
     * Handle dragging the middle curve handle to adjust an arrow's curvature.
     * Converts the world-space pointer position to a quadratic control point.
     * Dragging away from the midpoint creates/modifies a quadratic bezier;
     * dragging back to the midpoint resets to straight.
     */
    private handleDragCurveHandle;
    /**
     * Convert a world-space point to an element's local coordinate system,
     * accounting for translation, fill-box-centered rotation, and scale.
     *
     * The element <g> uses `translate(x,y) rotate(rotation)` with CSS
     * `transform-box: fill-box; transform-origin: center`, so the rotation
     * pivot is the fill-box center, not the local origin.
     */
    private worldToLocal;
    private handleBoxSelect;
    private initializeBoxSelect;
    private initializeResize;
    private initializeRotation;
    private checkElementInSelectionBox;
    private getResizeDirection;
}