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EClass VertexA (abstract)
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:ePackage: :doc:`displayableObjects <./EPackage_displayableObjects>`
:inherits from: :doc:`DisplayableObject <./EClass_DisplayableObject>`
:inherited by: :doc:`Vertex <./EClass_Vertex>`, :doc:`StaticVertex <./EClass_StaticVertex>`, :doc:`SubVertex <./EClass_SubVertex>`, :doc:`StaticSubVertex <./EClass_StaticSubVertex>`

EAttributes
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``EString`` name 
     Defines the name of the displayable object

``EString`` id 
     Defines a unique id to identify the displayable object.

``EString`` documentation 
     Text documentation for the displayable object.

``EBoolean`` isMovable 
     Defines whether the object is movable by the user.


EReferences
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``Label`` labels
     Defines labels that should be displayed for the vertex.

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