export type EdgePathParams = [path: string, labelX: number, labelY: number, offsetX: number, offsetY: number]
export declare function getSimpleEdgeCenter({
  sourceX,
  sourceY,
  targetX,
  targetY,
}: {
  sourceX: number
  sourceY: number
  targetX: number
  targetY: number
}): [number, number, number, number]
export declare function getBezierEdgeCenter({
  sourceX,
  sourceY,
  targetX,
  targetY,
  sourceControlX,
  sourceControlY,
  targetControlX,
  targetControlY,
}: {
  sourceX: number
  sourceY: number
  targetX: number
  targetY: number
  sourceControlX: number
  sourceControlY: number
  targetControlX: number
  targetControlY: number
}): [number, number, number, number]