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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_LayoutDefinition_LayoutItem>`
:contained by: :doc:`Layout <./EClass_LayoutDefinition_Layout>` (via :doc:`LayoutItem <./EClass_LayoutDefinition_LayoutItem>`)

EAttributes
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This eClass contains no attributes.

EReferences
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**parent** (:doc:`Vertex <./EClass_LayoutDefinition_Vertex>`) (lowerBound=0, upperBound=1) 
     A reference to its parent vertex. Used for nested graph objects. 

**refersTo** (EObject) (lowerBound=0, upperBound=1) 
     A reference to the eObject this layout item represents.

**supportPoints** (:doc:`Point <./EClass_LayoutDefinition_Point>`) (lowerBound=0, upperBound=-1) (containment)
     The contained support points of the edge.