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EClass Edge 
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A definition for the edge layout.

:ePackage: :doc:`LayoutDefinition <./EPackage_LayoutDefinition>`
:inherits from: :doc:`LayoutItem <./EClass_LayoutItem>`

EAttributes
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This eClass contains no attributes.

EReferences
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``Point`` supportPoints
     The contained support points of the edge.

    :containment: True
    :lowerBound: 0
    :upperBound: -1

``EObject`` refersTo
     A reference to the eObject this layout item represents.

    :containment: False
    :lowerBound: 0
    :upperBound: 1

``Vertex`` parent
     A reference to its parent vertex. Used for nested graph objects. 

    :containment: False
    :lowerBound: 0
    :upperBound: 1