*/
  @Override
  Set<EndpointPair<N>> incidentEdges(N node);

  /**
   * Returns the count of {@code node}'s incident edges, counting self-loops twice (equivalently,
   * the number of times an edge touches {@code node}).
   *
   * <p>For directed graphs, this is equal to {@code inDegree(node) + outDegree(node)}.
   *
   * <p>For undirected graphs, this is equal to {@code incidentEdges(node).size()} + (number of

   */
  @Override
  Set<EndpointPair<N>> incidentEdges(N node);

  /**
   * Returns the count of {@code node}'s incident edges, counting self-loops twice (equivalently,
   * the number of times an edge touches {@code node}).
   *
   * <p>For directed graphs, this is equal to {@code inDegree(node) + outDegree(node)}.
   *
   * <p>For undirected graphs, this is equal to {@code incidentEdges(node).size()} + (number of

   */
  Set<E> outEdges(N node);

  /**
   * Returns the count of {@code node}'s {@link #incidentEdges(Object) incident edges}, counting
   * self-loops twice (equivalently, the number of times an edge touches {@code node}).
   *
   * <p>For directed networks, this is equal to {@code inDegree(node) + outDegree(node)}.
   *
   * <p>For undirected networks, this is equal to {@code incidentEdges(node).size()} + (number of

ientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent...

ientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent...

/// in addition with the data discussed in this section. Each plugin author can
/// use a custom scheme, but it should only relate to changes in plugin code.
/// This section only touches metadata related to the versioning of this
/// interface that is shared by all possible plugins.
///
/// The API number increases whenever we break API compatibility while still

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