import { Position, PortPosition as PortSide } from '../../types/core';
import { ConnectionPathModel, ConnectionPathOptions, ConnectionPathPoint } from '../../types/connectionBehavior';
/**
 * Calculate control points for a bezier curve connecting two points.
 * Control points are offset along the dominant axis to create smooth curves.
 */
export declare const calculateConnectionControlPoints: (from: Position, to: Position, options?: ConnectionPathOptions) => {
    cp1: Position;
    cp2: Position;
};
/**
 * Calculates the cubic bezier handle vectors for a connection.
 * - `outputHandle` is the vector from the output port position to `cp1`
 * - `inputHandle` is the vector from the input port position to `cp2`
 */
export declare const calculateConnectionHandles: (from: Position, to: Position, options?: ConnectionPathOptions) => {
    outputHandle: Position;
    inputHandle: Position;
};
export declare const calculateConnectionControlPointsByPortSide: (from: Position, to: Position, outputSide: PortSide, inputSide: PortSide, options?: Omit<ConnectionPathOptions, "controlPointRounding">) => {
    cp1: Position;
    cp2: Position;
};
export declare const calculateConnectionHandlesByPortSide: (from: Position, to: Position, outputSide: PortSide, inputSide: PortSide, options?: Omit<ConnectionPathOptions, "controlPointRounding">) => {
    outputHandle: Position;
    inputHandle: Position;
};
export declare const calculateConnectionPathByPortSide: (from: Position, to: Position, outputSide: PortSide, inputSide: PortSide, options?: Omit<ConnectionPathOptions, "controlPointRounding">) => string;
/**
 * Calculate SVG bezier path string for a connection
 */
export declare const calculateConnectionPath: (from: Position, to: Position, options?: ConnectionPathOptions) => string;
/**
 * Serialize an SVG cubic bezier path string for a connection.
 */
export declare const serializeCubicBezierPath: (from: Position, cp1: Position, cp2: Position, to: Position) => string;
export declare const createCubicBezierPathModel: (from: Position, cp1: Position, cp2: Position, to: Position) => ConnectionPathModel;
export declare const createStraightPathModel: (from: Position, to: Position) => ConnectionPathModel;
export declare const createPolylinePathModel: (points: readonly Position[]) => ConnectionPathModel;
export declare const createBezierConnectionPathModel: (from: Position, to: Position, options?: ConnectionPathOptions) => ConnectionPathModel;
/**
 * Calculate the midpoint position and tangent angle at t=0.5 along the connection bezier.
 */
export declare const calculateConnectionMidpointFromControlPoints: (from: Position, cp1: Position, cp2: Position, to: Position) => ConnectionPathPoint;
export declare const calculateConnectionMidpoint: (from: Position, to: Position) => ConnectionPathPoint;
export type { ConnectionPathOptions } from '../../types/connectionBehavior';