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EENum AnchorType
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Defines the directional type of anchors. This impacts how edges can used these anchors (see EdgeType).

:ePackage: :doc:`common <./EPackage_common>`

The EENum provides the following literals:

``BOTH``
  Anchors that can act as source or a target.
``TARGET``
  Anchors that can act as a target.
``SOURCE``
  Anchors that can act as a source.