$id : integer
Represents a single "comment" within "comments" table.
_getAuthor() : \User\Model\Entity\User
Returns comment's author as a mock user entity. With the properties below:
username(the one used for login) if comment's author was a logged in user. "anonymous" otherwise.
name: Real name of the author.
Anonymousif not provided.
web: Author's website (if provided).