add getPurpose to KAAdapter

[TahaAttari]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 59.39%. Comparing base (3c4c2d3) to head (e7f0d03).

Files	Patch %	Lines
...tility/adapter/dstu3/KnowledgeArtifactAdapter.java	0.00%	1 Missing :warning:
...cqf/fhir/utility/adapter/dstu3/LibraryAdapter.java	0.00%	1 Missing :warning:
...r/utility/adapter/dstu3/PlanDefinitionAdapter.java	0.00%	1 Missing :warning:
...qf/fhir/utility/adapter/dstu3/ValueSetAdapter.java	0.00%	1 Missing :warning:
...r/utility/adapter/r4/KnowledgeArtifactAdapter.java	0.00%	1 Missing :warning:
...ds/cqf/fhir/utility/adapter/r4/LibraryAdapter.java	0.00%	1 Missing :warning:
...fhir/utility/adapter/r4/PlanDefinitionAdapter.java	0.00%	1 Missing :warning:
...s/cqf/fhir/utility/adapter/r4/ValueSetAdapter.java	0.00%	1 Missing :warning:
...r/utility/adapter/r5/KnowledgeArtifactAdapter.java	0.00%	1 Missing :warning:
...ds/cqf/fhir/utility/adapter/r5/LibraryAdapter.java	0.00%	1 Missing :warning:
... and 2 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #447      +/-   ##
============================================
- Coverage     59.44%   59.39%   -0.05%     
  Complexity     3189     3189              
============================================
  Files           322      322              
  Lines         16552    16564      +12     
  Branches       2571     2571              
============================================
  Hits           9839     9839              
- Misses         5599     5611      +12     
  Partials       1114     1114              

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[TahaAttari]

superseded by #469