/**
 * An abstraction of a hierarchical edge for the hierarchy layout
 *
 * @class mxGraphHierarchyEdge
 * @extends mxGraphAbstractHierarchyCell
 */
declare class mxGraphHierarchyEdge extends mxGraphAbstractHierarchyCell {
  /**
   * Constructs a hierarchy edge
   * @param {Array<mxCell>} edges   a list of real graph edges this abstraction represents
   */
  constructor(edges: Array<mxCell>);

  /**
   * The graph edge(s) this object represents. Parallel edges are all grouped
   * together within one hierarchy edge.
   */
  edges: Array<mxCell>;

  /**
   * The object identities of the wrapped cells
   */
  ids: Array<string>;

  /**
   * The node this edge is sourced at
   */
  source: mxCell;

  /**
   * The node this edge targets
   */
  target: mxCell;

  /**
   * Whether or not the direction of this edge has been reversed
   * internally to create a DAG for the hierarchical layout
   */
  isReversed: boolean;

  /**
   * Inverts the direction of this internal edge(s)
   */
  invert(layer: number): void;

  /**
   * Returns the cells this cell connects to on the next layer up
   */
  getNextLayerConnectedCells(layer: number): mxCell;

  /**
   * Returns the cells this cell connects to on the next layer down
   */
  getPreviousLayerConnectedCells(layer: number): mxCell;

  /**
   * Returns true.
   */
  isEdge(): boolean;

  /**
   * Gets the value of temp for the specified layer
   */
  getGeneralPurposeVariable(layer: number): any;

  /**
   * Set the value of temp for the specified layer
   */
  setGeneralPurposeVariable(layer: number, value: any): void;

  /**
   * Gets the first core edge associated with this wrapper
   */
  getCoreCell(): mxCell;
}