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You are developing a data contract (DataContract) for a WCF service. The data of this contract must participate in a round trip between the client of your service and your service itself. Strict schema validity is not required.
You must ensure that the contract will provide upward compatibility with new versions, and that it will be possible to enrich this contract with new properties.
Which interface do you need to implement on the data contract class?
Author: InconnuStatus: PublishedQuestion passed 25 times
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