/**
 * Extends <mxGraphLayout> to implement an edge label layout. This layout
 * makes use of cell states, which means the graph must be validated in
 * a graph view (so that the label bounds are available) before this layout
 * can be executed.
 *
 * @example
 * ```javascript
 * var layout = new mxEdgeLabelLayout(graph);
 * layout.execute(graph.getDefaultParent());
 * ```
 */
declare class mxEdgeLabelLayout extends mxGraphLayout {
  /**
   * Constructs a new edge label layout.
   *
   * @param graph   {@link mxGraph} that contains the cells.
   */
  // TODO radius is declared in mxgraph-js 4.1.1 but is not used
  constructor(graph: mxGraph, radius?: number);

  /**
   * Implements {@link mxGraphLayout.execute}
   */
  execute(parent: mxCell): void;

  /**
   * Places the labels of the given edges.
   *
   * @param v   vertexes
   * @param e   edges
   */
  placeLabels(v: Array<mxCell>, e: Array<mxCell>): void;

  /**
   * Places the labels of the given edges.
   */
  avoid(edge: mxCell, vertex: mxCell): void;
}