Represents a comment entity.
The files attached to the comment.
The author of the entity.
The date and time when the entity was created. The expected string format is one of those returned by the `getTimestampFormats` function.
The ID of the entity.
The type of the custom field.
The date and time when the entity was last updated. The expected string format is one of those returned by the `getTimestampFormats` function.
The user who last updated the entity.
The user groups that can view the comment. `null` by default.
The users who can view the comment. If none of the `visibleToUsers` and the `visibleToGroups` parameters are specified, the comment becomes visible to issue or article readers. `null` by default.