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Improvement
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Resolution: Unresolved
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Major
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4.6.0
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None
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None
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1 - Middle term
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2 - Normal
Currently, getValue method is holded held by ModelAwareDataHolder or ModelLessDataHolder, but both have it, it should be defined on DataHolder, like hasValue method. Moreover, it is inconsistent to have the hasValue method available on DataHolder but not the getValue method.