Create class method.

Create the method middleName() in class \PHPerian\Request\Partial\Applicant\Alias.
Update DocComments.

Update DocComments in the \PHPerian\Request\Partial\Applicant\Alias class to describe that the method could throw an exception, what what exception class is thrown.
Add method to class.

Add the suffix() method to the class \PHPerian\Request\Partial\Applicant\Alias.
Add method to class.

Add the method gender() to the class \PHPerian\Request\Partial\Applicant\Alias.
Add methods to class.

Add the methods setGenderMale() and setGenderFemale() to the class \PHPerian\Request\Partial\Applicant\Alias.
Edit DocComment.

Add to the DocComments of setGenderMale() and setGenderFemale() the type of class returned by the methods.
Add method to class.

Add the method source() to the class \PHPerian\Request\Partial\Applicant\Alias.