"https://www.w3.org/ns/activitystreams#Accept"
"https://www.w3.org/ns/activitystreams#accuracy"
"https://www.w3.org/ns/activitystreams#Activity"
"https://www.w3.org/ns/activitystreams#actor"
"https://www.w3.org/ns/activitystreams#Add"
"https://www.w3.org/ns/activitystreams#altitude"
"https://www.w3.org/ns/activitystreams#Announce"
"https://www.w3.org/ns/activitystreams#anyOf"
"https://www.w3.org/ns/activitystreams#Application"
"https://www.w3.org/ns/activitystreams#Arrive"
"https://www.w3.org/ns/activitystreams#Article"
"https://www.w3.org/ns/activitystreams#attachment"
"https://www.w3.org/ns/activitystreams#attributedTo"
"https://www.w3.org/ns/activitystreams#audience"
"https://www.w3.org/ns/activitystreams#Audio"
"https://www.w3.org/ns/activitystreams#bcc"
"https://www.w3.org/ns/activitystreams#Block"
"https://www.w3.org/ns/activitystreams#bto"
"https://www.w3.org/ns/activitystreams#cc"
"https://www.w3.org/ns/activitystreams#closed"
"https://www.w3.org/ns/activitystreams#Collection"
"https://www.w3.org/ns/activitystreams#CollectionPage"
"https://www.w3.org/ns/activitystreams#content"
"https://www.w3.org/ns/activitystreams#context"
"https://www.w3.org/ns/activitystreams#Create"
"https://www.w3.org/ns/activitystreams#current"
"https://www.w3.org/ns/activitystreams#Delete"
"https://www.w3.org/ns/activitystreams#deleted"
"https://www.w3.org/ns/activitystreams#describes"
"https://www.w3.org/ns/activitystreams#Dislike"
"https://www.w3.org/ns/activitystreams#Document"
"https://www.w3.org/ns/activitystreams#duration"
"https://www.w3.org/ns/activitystreams#endpoints"
"https://www.w3.org/ns/activitystreams#endTime"
"https://www.w3.org/ns/activitystreams#Event"
"https://www.w3.org/ns/activitystreams#first"
"https://www.w3.org/ns/activitystreams#Flag"
"https://www.w3.org/ns/activitystreams#Follow"
"https://www.w3.org/ns/activitystreams#followers"
"https://www.w3.org/ns/activitystreams#following"
"https://www.w3.org/ns/activitystreams#formerType"
"https://www.w3.org/ns/activitystreams#generator"
"https://www.w3.org/ns/activitystreams#Group"
"https://www.w3.org/ns/activitystreams#height"
"https://www.w3.org/ns/activitystreams#href"
"https://www.w3.org/ns/activitystreams#hreflang"
"https://www.w3.org/ns/activitystreams#icon"
"https://www.w3.org/ns/activitystreams#Ignore"
"https://www.w3.org/ns/activitystreams#image"
"https://www.w3.org/ns/activitystreams#Image"
"https://www.w3.org/ns/activitystreams#inReplyTo"
"https://www.w3.org/ns/activitystreams#instrument"
"https://www.w3.org/ns/activitystreams#IntransitiveActivity"
"https://www.w3.org/ns/activitystreams#Invite"
"https://www.w3.org/ns/activitystreams#items"
"https://www.w3.org/ns/activitystreams#Join"
"https://www.w3.org/ns/activitystreams#last"
"https://www.w3.org/ns/activitystreams#latitude"
"https://www.w3.org/ns/activitystreams#Leave"
"https://www.w3.org/ns/activitystreams#Like"
"https://www.w3.org/ns/activitystreams#liked"
"https://www.w3.org/ns/activitystreams#Link"
"https://www.w3.org/ns/activitystreams#Listen"
"https://www.w3.org/ns/activitystreams#location"
"https://www.w3.org/ns/activitystreams#longitude"
"https://www.w3.org/ns/activitystreams#mediaType"
"https://www.w3.org/ns/activitystreams#Mention"
"https://www.w3.org/ns/activitystreams#Move"
"https://www.w3.org/ns/activitystreams#name"
"https://www.w3.org/ns/activitystreams#next"
"https://www.w3.org/ns/activitystreams#Note"
"https://www.w3.org/ns/activitystreams#"
"https://www.w3.org/ns/activitystreams#oauthAuthorizationEndpoint"
"https://www.w3.org/ns/activitystreams#oauthTokenEndpoint"
"https://www.w3.org/ns/activitystreams#object"
"https://www.w3.org/ns/activitystreams#Object"
"https://www.w3.org/ns/activitystreams#Offer"
"https://www.w3.org/ns/activitystreams#oneOf"
"https://www.w3.org/ns/activitystreams#OrderedCollection"
"https://www.w3.org/ns/activitystreams#OrderedCollectionPage"
"https://www.w3.org/ns/activitystreams#Organization"
"https://www.w3.org/ns/activitystreams#origin"
"https://www.w3.org/ns/activitystreams#outbox"
"https://www.w3.org/ns/activitystreams#Page"
"https://www.w3.org/ns/activitystreams#partOf"
"https://www.w3.org/ns/activitystreams#Person"
"https://www.w3.org/ns/activitystreams#Place"
"https://www.w3.org/ns/activitystreams#preferredUsername"
"https://www.w3.org/ns/activitystreams#prev"
"https://www.w3.org/ns/activitystreams#preview"
"https://www.w3.org/ns/activitystreams#Profile"
"https://www.w3.org/ns/activitystreams#Public"
"https://www.w3.org/ns/activitystreams#published"
"https://www.w3.org/ns/activitystreams#Question"
"https://www.w3.org/ns/activitystreams#radius"
"https://www.w3.org/ns/activitystreams#Read"
"https://www.w3.org/ns/activitystreams#Reject"
"https://www.w3.org/ns/activitystreams#rel"
"https://www.w3.org/ns/activitystreams#relationship"
"https://www.w3.org/ns/activitystreams#Relationship"
"https://www.w3.org/ns/activitystreams#Remove"
"https://www.w3.org/ns/activitystreams#replies"
"https://www.w3.org/ns/activitystreams#result"
"https://www.w3.org/ns/activitystreams#Service"
"https://www.w3.org/ns/activitystreams#startIndex"
"https://www.w3.org/ns/activitystreams#startTime"
"https://www.w3.org/ns/activitystreams#subject"
"https://www.w3.org/ns/activitystreams#summary"
"https://www.w3.org/ns/activitystreams#tag"
"https://www.w3.org/ns/activitystreams#target"
"https://www.w3.org/ns/activitystreams#TentativeAccept"
"https://www.w3.org/ns/activitystreams#TentativeReject"
"https://www.w3.org/ns/activitystreams#to"
"https://www.w3.org/ns/activitystreams#Tombstone"
"https://www.w3.org/ns/activitystreams#totalItems"
"https://www.w3.org/ns/activitystreams#Travel"
"https://www.w3.org/ns/activitystreams#Undo"
"https://www.w3.org/ns/activitystreams#units"
"https://www.w3.org/ns/activitystreams#Update"
"https://www.w3.org/ns/activitystreams#updated"
"https://www.w3.org/ns/activitystreams#url"
"https://www.w3.org/ns/activitystreams#Video"
"https://www.w3.org/ns/activitystreams#View"
"https://www.w3.org/ns/activitystreams#width"