With the unit tests warnings were squashed by suppressing them with SuppressWarnings annotations, instead of
reparing the issues as was done with the source. Reasons being...
 * The tests might be relying on the types as they were defined.
 * If the tests were written to test against the correct forms they would've/should've stipulated those.
 * Even unused members might be important to tests so we attempt to change as little as possible.

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