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- substitutions - cost of substitution is proportional to the binary size of the data after the substitutionsubstitution DONE - with a unit test
- spatial match - should short-circuit during the match DONE - with a unit test
- interaction with tuplespace (constant cost of produce and consume - to be decided how much)
- spatial match in RSpace - test that the cost is properly updated with the cost of spatial match in RSpace. DONE - with a unit test
- method calls - test that we charge for all the methods.
- interaction with registry (boils down to cost for interacting with tuplespace)- test that cost of interaction with the registry is a cost for interaction with underlying Tuplespace.
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