Persons
Persons
persons
Person
firstname
lastname
gender
list
GenderType
male
male
female
female
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="gender" eType="#//GenderType"/>
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  <eClassifiers xsi:type="ecore:EEnum" name="GenderType">
    <eLiterals name="male"/>
    <eLiterals name="female" value="1"/>
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</ecore:EPackage>

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