title Title of the entry <= Less than…
url URL of the entry < Strictly less than…
isArchived Whether the entry is archived or not => Greater than…
-isStared Whether the entry is starred or not > Strictly greater than…
+isStarred Whether the entry is starred or not > Strictly greater than…
content The entry's content = Equal to…
language The entry's language != Not equal to…
mimetype The entry's mime-type OR One rule or another