* [CI-SKIP] add .editorconfig for base code style settings
* * Created patch 0349 (fixes#471)
* * Made requested modifications
* * Made requested modifications (x2)
* * Made recommended changes (x3)
* * Moved ConcurrentMap return values to Map as no functions specific to ConcurrentMap were used (backing map is still ConcurrentMap)
* Removed ConcurrentMap import
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