Re-generating API classes.

[erickoledadevrel]

• npm test succeeds
• Pull request has been squashed into 1 commit
• I did NOT manually make changes to anything in apis/
• Code coverage does not decrease (if any source code was changed)
• Appropriate JSDoc comments were updated in source code (if applicable)
• Approprate changes to readme/docs are included in PR

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[googlebot]

CLAs look good, thanks!

[codecov-io]

Current coverage is 88.56%

Merging #579 into master will not change coverage

@@             master       #579   diff @@
==========================================
  Files             8          8          
  Lines           271        271          
  Methods          41         41          
  Messages          0          0          
  Branches         59         59          
==========================================
  Hits            240        240          
  Misses           31         31          
  Partials          0          0          

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