Correct usage of linked subdecisions

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Positive samples

Negative samples

Description

If a subdecision is linked to another DMN-diagram, they cannot have additional incoming input data. Once a decision is linked, all incoming data have to be depicted in the linked diagram.

Subdecisions can have their own complexity or other subdecisions. That can be depicted again in a seperate decision making process. For preservation of consistency and traceability of decisions, all incoming input data should be depicted in one diagram, either the linked diagram or the original diagram. The linked decision should be the top-level decision in the linked diagram.