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Vendor lock in is always a concern. It does not serve the industry well if you can not share artifacts across tooling stacks. Our experiences is that current the tools are about 100% incompatible - the advice from Redhat vendor is the target the artifact is to not import but remodel using their tools. The reasons are numerous and some are valid as the standard has been stagnant for some time and no approved extension approach was defined.
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A bit more subtle - what does the prescription look like - what recommendations/instructions/cautions should be included
Interactions between Services
Our experiences is Interactions between Services can result in many issues. One simple example highlights multiple interactions: A task called a decision service that required data in order to execute. Issues arose because the data required by the service was not available in the server which then required input from the point of care healthcare professional. The challenge is to come up with a repeatable design for this pattern, and other patterns, based on standards standard interfaces, semantics, and adaptors.