diff --git a/streams/gen_accept.go b/streams/gen_accept.go
index 15c34dc..dde1c20 100644
--- a/streams/gen_accept.go
+++ b/streams/gen_accept.go
@@ -2494,3 +2494,8 @@ func (t *Accept) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewAccept returns a new instance of Accept
+func NewAccept() (n *Accept) {
+	return &Accept{raw: &vocab.Accept{}}
+}
diff --git a/streams/gen_activity.go b/streams/gen_activity.go
index 141f0fa..37e4a6f 100644
--- a/streams/gen_activity.go
+++ b/streams/gen_activity.go
@@ -2494,3 +2494,8 @@ func (t *Activity) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewActivity returns a new instance of Activity
+func NewActivity() (n *Activity) {
+	return &Activity{raw: &vocab.Activity{}}
+}
diff --git a/streams/gen_add.go b/streams/gen_add.go
index 127af8e..9214612 100644
--- a/streams/gen_add.go
+++ b/streams/gen_add.go
@@ -2494,3 +2494,8 @@ func (t *Add) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewAdd returns a new instance of Add
+func NewAdd() (n *Add) {
+	return &Add{raw: &vocab.Add{}}
+}
diff --git a/streams/gen_announce.go b/streams/gen_announce.go
index 440f84c..f80280e 100644
--- a/streams/gen_announce.go
+++ b/streams/gen_announce.go
@@ -2494,3 +2494,8 @@ func (t *Announce) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewAnnounce returns a new instance of Announce
+func NewAnnounce() (n *Announce) {
+	return &Announce{raw: &vocab.Announce{}}
+}
diff --git a/streams/gen_application.go b/streams/gen_application.go
index c5405c7..b80c1c4 100644
--- a/streams/gen_application.go
+++ b/streams/gen_application.go
@@ -2135,3 +2135,8 @@ func (t *Application) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewApplication returns a new instance of Application
+func NewApplication() (n *Application) {
+	return &Application{raw: &vocab.Application{}}
+}
diff --git a/streams/gen_arrive.go b/streams/gen_arrive.go
index 10bf096..042fa39 100644
--- a/streams/gen_arrive.go
+++ b/streams/gen_arrive.go
@@ -2442,3 +2442,8 @@ func (t *Arrive) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewArrive returns a new instance of Arrive
+func NewArrive() (n *Arrive) {
+	return &Arrive{raw: &vocab.Arrive{}}
+}
diff --git a/streams/gen_article.go b/streams/gen_article.go
index ea4d8b8..c33d39b 100644
--- a/streams/gen_article.go
+++ b/streams/gen_article.go
@@ -2135,3 +2135,8 @@ func (t *Article) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewArticle returns a new instance of Article
+func NewArticle() (n *Article) {
+	return &Article{raw: &vocab.Article{}}
+}
diff --git a/streams/gen_audio.go b/streams/gen_audio.go
index 4566497..297cff4 100644
--- a/streams/gen_audio.go
+++ b/streams/gen_audio.go
@@ -2135,3 +2135,8 @@ func (t *Audio) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewAudio returns a new instance of Audio
+func NewAudio() (n *Audio) {
+	return &Audio{raw: &vocab.Audio{}}
+}
diff --git a/streams/gen_block.go b/streams/gen_block.go
index 5da8afa..361e081 100644
--- a/streams/gen_block.go
+++ b/streams/gen_block.go
@@ -2494,3 +2494,8 @@ func (t *Block) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewBlock returns a new instance of Block
+func NewBlock() (n *Block) {
+	return &Block{raw: &vocab.Block{}}
+}
diff --git a/streams/gen_collection.go b/streams/gen_collection.go
index 28cc981..44e6b8a 100644
--- a/streams/gen_collection.go
+++ b/streams/gen_collection.go
@@ -2348,3 +2348,8 @@ func (t *Collection) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewCollection returns a new instance of Collection
+func NewCollection() (n *Collection) {
+	return &Collection{raw: &vocab.Collection{}}
+}
diff --git a/streams/gen_collectionpage.go b/streams/gen_collectionpage.go
index 7f37273..8006516 100644
--- a/streams/gen_collectionpage.go
+++ b/streams/gen_collectionpage.go
@@ -2462,3 +2462,8 @@ func (t *CollectionPage) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewCollectionPage returns a new instance of CollectionPage
+func NewCollectionPage() (n *CollectionPage) {
+	return &CollectionPage{raw: &vocab.CollectionPage{}}
+}
diff --git a/streams/gen_create.go b/streams/gen_create.go
index 41dee70..92ff1d2 100644
--- a/streams/gen_create.go
+++ b/streams/gen_create.go
@@ -2494,3 +2494,8 @@ func (t *Create) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewCreate returns a new instance of Create
+func NewCreate() (n *Create) {
+	return &Create{raw: &vocab.Create{}}
+}
diff --git a/streams/gen_delete.go b/streams/gen_delete.go
index b4dd67d..e628e36 100644
--- a/streams/gen_delete.go
+++ b/streams/gen_delete.go
@@ -2494,3 +2494,8 @@ func (t *Delete) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewDelete returns a new instance of Delete
+func NewDelete() (n *Delete) {
+	return &Delete{raw: &vocab.Delete{}}
+}
diff --git a/streams/gen_dislike.go b/streams/gen_dislike.go
index e892646..7bf31be 100644
--- a/streams/gen_dislike.go
+++ b/streams/gen_dislike.go
@@ -2494,3 +2494,8 @@ func (t *Dislike) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewDislike returns a new instance of Dislike
+func NewDislike() (n *Dislike) {
+	return &Dislike{raw: &vocab.Dislike{}}
+}
diff --git a/streams/gen_document.go b/streams/gen_document.go
index d85930b..28227f5 100644
--- a/streams/gen_document.go
+++ b/streams/gen_document.go
@@ -2135,3 +2135,8 @@ func (t *Document) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewDocument returns a new instance of Document
+func NewDocument() (n *Document) {
+	return &Document{raw: &vocab.Document{}}
+}
diff --git a/streams/gen_event.go b/streams/gen_event.go
index 2c839cf..9d7e4b8 100644
--- a/streams/gen_event.go
+++ b/streams/gen_event.go
@@ -2135,3 +2135,8 @@ func (t *Event) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewEvent returns a new instance of Event
+func NewEvent() (n *Event) {
+	return &Event{raw: &vocab.Event{}}
+}
diff --git a/streams/gen_flag.go b/streams/gen_flag.go
index b931b70..07327f6 100644
--- a/streams/gen_flag.go
+++ b/streams/gen_flag.go
@@ -2494,3 +2494,8 @@ func (t *Flag) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewFlag returns a new instance of Flag
+func NewFlag() (n *Flag) {
+	return &Flag{raw: &vocab.Flag{}}
+}
diff --git a/streams/gen_follow.go b/streams/gen_follow.go
index 12a11de..e620cd3 100644
--- a/streams/gen_follow.go
+++ b/streams/gen_follow.go
@@ -2494,3 +2494,8 @@ func (t *Follow) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewFollow returns a new instance of Follow
+func NewFollow() (n *Follow) {
+	return &Follow{raw: &vocab.Follow{}}
+}
diff --git a/streams/gen_group.go b/streams/gen_group.go
index f32a338..8eabac8 100644
--- a/streams/gen_group.go
+++ b/streams/gen_group.go
@@ -2135,3 +2135,8 @@ func (t *Group) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewGroup returns a new instance of Group
+func NewGroup() (n *Group) {
+	return &Group{raw: &vocab.Group{}}
+}
diff --git a/streams/gen_ignore.go b/streams/gen_ignore.go
index 6ed2244..e192df4 100644
--- a/streams/gen_ignore.go
+++ b/streams/gen_ignore.go
@@ -2494,3 +2494,8 @@ func (t *Ignore) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewIgnore returns a new instance of Ignore
+func NewIgnore() (n *Ignore) {
+	return &Ignore{raw: &vocab.Ignore{}}
+}
diff --git a/streams/gen_image.go b/streams/gen_image.go
index 2d122e6..a68a8f4 100644
--- a/streams/gen_image.go
+++ b/streams/gen_image.go
@@ -2203,3 +2203,8 @@ func (t *Image) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewImage returns a new instance of Image
+func NewImage() (n *Image) {
+	return &Image{raw: &vocab.Image{}}
+}
diff --git a/streams/gen_intransitiveactivity.go b/streams/gen_intransitiveactivity.go
index 126f9dd..6fed514 100644
--- a/streams/gen_intransitiveactivity.go
+++ b/streams/gen_intransitiveactivity.go
@@ -2442,3 +2442,8 @@ func (t *IntransitiveActivity) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewIntransitiveActivity returns a new instance of IntransitiveActivity
+func NewIntransitiveActivity() (n *IntransitiveActivity) {
+	return &IntransitiveActivity{raw: &vocab.IntransitiveActivity{}}
+}
diff --git a/streams/gen_invite.go b/streams/gen_invite.go
index f366a40..1928de5 100644
--- a/streams/gen_invite.go
+++ b/streams/gen_invite.go
@@ -2494,3 +2494,8 @@ func (t *Invite) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewInvite returns a new instance of Invite
+func NewInvite() (n *Invite) {
+	return &Invite{raw: &vocab.Invite{}}
+}
diff --git a/streams/gen_join.go b/streams/gen_join.go
index e6000d9..9b6c7b3 100644
--- a/streams/gen_join.go
+++ b/streams/gen_join.go
@@ -2494,3 +2494,8 @@ func (t *Join) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewJoin returns a new instance of Join
+func NewJoin() (n *Join) {
+	return &Join{raw: &vocab.Join{}}
+}
diff --git a/streams/gen_leave.go b/streams/gen_leave.go
index 7976779..29c6c54 100644
--- a/streams/gen_leave.go
+++ b/streams/gen_leave.go
@@ -2494,3 +2494,8 @@ func (t *Leave) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewLeave returns a new instance of Leave
+func NewLeave() (n *Leave) {
+	return &Leave{raw: &vocab.Leave{}}
+}
diff --git a/streams/gen_like.go b/streams/gen_like.go
index 5e734ac..4af52aa 100644
--- a/streams/gen_like.go
+++ b/streams/gen_like.go
@@ -2494,3 +2494,8 @@ func (t *Like) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewLike returns a new instance of Like
+func NewLike() (n *Like) {
+	return &Like{raw: &vocab.Like{}}
+}
diff --git a/streams/gen_link.go b/streams/gen_link.go
index cac7af5..3ff4210 100644
--- a/streams/gen_link.go
+++ b/streams/gen_link.go
@@ -579,3 +579,8 @@ func (t *Link) PrependPreviewLink(i vocab.LinkType) {
 	t.raw.PrependPreviewLink(i)
 
 }
+
+// NewLink returns a new instance of Link
+func NewLink() (n *Link) {
+	return &Link{raw: &vocab.Link{}}
+}
diff --git a/streams/gen_listen.go b/streams/gen_listen.go
index 4a2ac14..c6d17fe 100644
--- a/streams/gen_listen.go
+++ b/streams/gen_listen.go
@@ -2494,3 +2494,8 @@ func (t *Listen) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewListen returns a new instance of Listen
+func NewListen() (n *Listen) {
+	return &Listen{raw: &vocab.Listen{}}
+}
diff --git a/streams/gen_mention.go b/streams/gen_mention.go
index 59722ac..fe7d7e3 100644
--- a/streams/gen_mention.go
+++ b/streams/gen_mention.go
@@ -579,3 +579,8 @@ func (t *Mention) PrependPreviewLink(i vocab.LinkType) {
 	t.raw.PrependPreviewLink(i)
 
 }
+
+// NewMention returns a new instance of Mention
+func NewMention() (n *Mention) {
+	return &Mention{raw: &vocab.Mention{}}
+}
diff --git a/streams/gen_move.go b/streams/gen_move.go
index ee476a7..ac26fb7 100644
--- a/streams/gen_move.go
+++ b/streams/gen_move.go
@@ -2494,3 +2494,8 @@ func (t *Move) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewMove returns a new instance of Move
+func NewMove() (n *Move) {
+	return &Move{raw: &vocab.Move{}}
+}
diff --git a/streams/gen_note.go b/streams/gen_note.go
index 0b79f9c..d0580b1 100644
--- a/streams/gen_note.go
+++ b/streams/gen_note.go
@@ -2135,3 +2135,8 @@ func (t *Note) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewNote returns a new instance of Note
+func NewNote() (n *Note) {
+	return &Note{raw: &vocab.Note{}}
+}
diff --git a/streams/gen_object.go b/streams/gen_object.go
index f065c3d..185f42d 100644
--- a/streams/gen_object.go
+++ b/streams/gen_object.go
@@ -2135,3 +2135,8 @@ func (t *Object) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewObject returns a new instance of Object
+func NewObject() (n *Object) {
+	return &Object{raw: &vocab.Object{}}
+}
diff --git a/streams/gen_offer.go b/streams/gen_offer.go
index eba4bae..2dd56bd 100644
--- a/streams/gen_offer.go
+++ b/streams/gen_offer.go
@@ -2494,3 +2494,8 @@ func (t *Offer) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewOffer returns a new instance of Offer
+func NewOffer() (n *Offer) {
+	return &Offer{raw: &vocab.Offer{}}
+}
diff --git a/streams/gen_orderedcollection.go b/streams/gen_orderedcollection.go
index 16dcaa7..e025879 100644
--- a/streams/gen_orderedcollection.go
+++ b/streams/gen_orderedcollection.go
@@ -2348,3 +2348,8 @@ func (t *OrderedCollection) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewOrderedCollection returns a new instance of OrderedCollection
+func NewOrderedCollection() (n *OrderedCollection) {
+	return &OrderedCollection{raw: &vocab.OrderedCollection{}}
+}
diff --git a/streams/gen_orderedcollectionpage.go b/streams/gen_orderedcollectionpage.go
index f872cd3..e7ab4ad 100644
--- a/streams/gen_orderedcollectionpage.go
+++ b/streams/gen_orderedcollectionpage.go
@@ -2496,3 +2496,8 @@ func (t *OrderedCollectionPage) SetPartOf(i vocab.LinkType) {
 	t.raw.SetPartOfLink(i)
 
 }
+
+// NewOrderedCollectionPage returns a new instance of OrderedCollectionPage
+func NewOrderedCollectionPage() (n *OrderedCollectionPage) {
+	return &OrderedCollectionPage{raw: &vocab.OrderedCollectionPage{}}
+}
diff --git a/streams/gen_organization.go b/streams/gen_organization.go
index e9983fb..cb8145b 100644
--- a/streams/gen_organization.go
+++ b/streams/gen_organization.go
@@ -2135,3 +2135,8 @@ func (t *Organization) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewOrganization returns a new instance of Organization
+func NewOrganization() (n *Organization) {
+	return &Organization{raw: &vocab.Organization{}}
+}
diff --git a/streams/gen_page.go b/streams/gen_page.go
index 874416d..a0baba8 100644
--- a/streams/gen_page.go
+++ b/streams/gen_page.go
@@ -2135,3 +2135,8 @@ func (t *Page) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewPage returns a new instance of Page
+func NewPage() (n *Page) {
+	return &Page{raw: &vocab.Page{}}
+}
diff --git a/streams/gen_person.go b/streams/gen_person.go
index 1d8beb7..affebae 100644
--- a/streams/gen_person.go
+++ b/streams/gen_person.go
@@ -2135,3 +2135,8 @@ func (t *Person) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewPerson returns a new instance of Person
+func NewPerson() (n *Person) {
+	return &Person{raw: &vocab.Person{}}
+}
diff --git a/streams/gen_place.go b/streams/gen_place.go
index bfa8e08..bb881df 100644
--- a/streams/gen_place.go
+++ b/streams/gen_place.go
@@ -2305,3 +2305,8 @@ func (t *Place) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewPlace returns a new instance of Place
+func NewPlace() (n *Place) {
+	return &Place{raw: &vocab.Place{}}
+}
diff --git a/streams/gen_profile.go b/streams/gen_profile.go
index ee4f6a8..c958812 100644
--- a/streams/gen_profile.go
+++ b/streams/gen_profile.go
@@ -2169,3 +2169,8 @@ func (t *Profile) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewProfile returns a new instance of Profile
+func NewProfile() (n *Profile) {
+	return &Profile{raw: &vocab.Profile{}}
+}
diff --git a/streams/gen_question.go b/streams/gen_question.go
index 8d7dd65..a14a9eb 100644
--- a/streams/gen_question.go
+++ b/streams/gen_question.go
@@ -2636,3 +2636,8 @@ func (t *Question) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewQuestion returns a new instance of Question
+func NewQuestion() (n *Question) {
+	return &Question{raw: &vocab.Question{}}
+}
diff --git a/streams/gen_read.go b/streams/gen_read.go
index 5e17f0b..892d063 100644
--- a/streams/gen_read.go
+++ b/streams/gen_read.go
@@ -2494,3 +2494,8 @@ func (t *Read) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewRead returns a new instance of Read
+func NewRead() (n *Read) {
+	return &Read{raw: &vocab.Read{}}
+}
diff --git a/streams/gen_reject.go b/streams/gen_reject.go
index 6226219..157e445 100644
--- a/streams/gen_reject.go
+++ b/streams/gen_reject.go
@@ -2494,3 +2494,8 @@ func (t *Reject) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewReject returns a new instance of Reject
+func NewReject() (n *Reject) {
+	return &Reject{raw: &vocab.Reject{}}
+}
diff --git a/streams/gen_relationship.go b/streams/gen_relationship.go
index 0118782..628cfe3 100644
--- a/streams/gen_relationship.go
+++ b/streams/gen_relationship.go
@@ -2268,3 +2268,8 @@ func (t *Relationship) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewRelationship returns a new instance of Relationship
+func NewRelationship() (n *Relationship) {
+	return &Relationship{raw: &vocab.Relationship{}}
+}
diff --git a/streams/gen_remove.go b/streams/gen_remove.go
index 994b775..cf72e2e 100644
--- a/streams/gen_remove.go
+++ b/streams/gen_remove.go
@@ -2494,3 +2494,8 @@ func (t *Remove) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewRemove returns a new instance of Remove
+func NewRemove() (n *Remove) {
+	return &Remove{raw: &vocab.Remove{}}
+}
diff --git a/streams/gen_service.go b/streams/gen_service.go
index 8c54047..fd76c24 100644
--- a/streams/gen_service.go
+++ b/streams/gen_service.go
@@ -2135,3 +2135,8 @@ func (t *Service) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewService returns a new instance of Service
+func NewService() (n *Service) {
+	return &Service{raw: &vocab.Service{}}
+}
diff --git a/streams/gen_tentativeaccept.go b/streams/gen_tentativeaccept.go
index a862a28..e032235 100644
--- a/streams/gen_tentativeaccept.go
+++ b/streams/gen_tentativeaccept.go
@@ -2494,3 +2494,8 @@ func (t *TentativeAccept) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewTentativeAccept returns a new instance of TentativeAccept
+func NewTentativeAccept() (n *TentativeAccept) {
+	return &TentativeAccept{raw: &vocab.TentativeAccept{}}
+}
diff --git a/streams/gen_tentativereject.go b/streams/gen_tentativereject.go
index 8eef587..f08a7bd 100644
--- a/streams/gen_tentativereject.go
+++ b/streams/gen_tentativereject.go
@@ -2494,3 +2494,8 @@ func (t *TentativeReject) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewTentativeReject returns a new instance of TentativeReject
+func NewTentativeReject() (n *TentativeReject) {
+	return &TentativeReject{raw: &vocab.TentativeReject{}}
+}
diff --git a/streams/gen_tombstone.go b/streams/gen_tombstone.go
index 39c424c..4dbdea1 100644
--- a/streams/gen_tombstone.go
+++ b/streams/gen_tombstone.go
@@ -2225,3 +2225,8 @@ func (t *Tombstone) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewTombstone returns a new instance of Tombstone
+func NewTombstone() (n *Tombstone) {
+	return &Tombstone{raw: &vocab.Tombstone{}}
+}
diff --git a/streams/gen_travel.go b/streams/gen_travel.go
index bd6471f..d9e6d22 100644
--- a/streams/gen_travel.go
+++ b/streams/gen_travel.go
@@ -2442,3 +2442,8 @@ func (t *Travel) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewTravel returns a new instance of Travel
+func NewTravel() (n *Travel) {
+	return &Travel{raw: &vocab.Travel{}}
+}
diff --git a/streams/gen_undo.go b/streams/gen_undo.go
index d47b6f0..ed608ce 100644
--- a/streams/gen_undo.go
+++ b/streams/gen_undo.go
@@ -2494,3 +2494,8 @@ func (t *Undo) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewUndo returns a new instance of Undo
+func NewUndo() (n *Undo) {
+	return &Undo{raw: &vocab.Undo{}}
+}
diff --git a/streams/gen_update.go b/streams/gen_update.go
index 79d8d7d..9a3048d 100644
--- a/streams/gen_update.go
+++ b/streams/gen_update.go
@@ -2494,3 +2494,8 @@ func (t *Update) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewUpdate returns a new instance of Update
+func NewUpdate() (n *Update) {
+	return &Update{raw: &vocab.Update{}}
+}
diff --git a/streams/gen_video.go b/streams/gen_video.go
index 6cde7e5..780fe8e 100644
--- a/streams/gen_video.go
+++ b/streams/gen_video.go
@@ -2135,3 +2135,8 @@ func (t *Video) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewVideo returns a new instance of Video
+func NewVideo() (n *Video) {
+	return &Video{raw: &vocab.Video{}}
+}
diff --git a/streams/gen_view.go b/streams/gen_view.go
index 479ce64..d79fc24 100644
--- a/streams/gen_view.go
+++ b/streams/gen_view.go
@@ -2494,3 +2494,8 @@ func (t *View) SetShares(i vocab.CollectionType) {
 	t.raw.SetSharesCollection(i)
 
 }
+
+// NewView returns a new instance of View
+func NewView() (n *View) {
+	return &View{raw: &vocab.View{}}
+}
diff --git a/tools/streams/gen/as.go b/tools/streams/gen/as.go
index 01336ba..c66bdd3 100644
--- a/tools/streams/gen/as.go
+++ b/tools/streams/gen/as.go
@@ -270,6 +270,16 @@ func generateDefinitions(t *defs.Type) (fd []*defs.FunctionDef, sd []*defs.Struc
 			},
 		},
 	}...)
+	fd = append(fd, &defs.FunctionDef{
+		Name:    fmt.Sprintf("New%s", t.Name),
+		Comment: fmt.Sprintf("New%s returns a new instance of %s", t.Name, t.Name),
+		Return:  []*defs.FunctionVarDef{{"n", "*" + t.Name}},
+		Body: func() string {
+			var b bytes.Buffer
+			b.WriteString(fmt.Sprintf("return &%s{%s: &vocab.%s{}}", t.Name, rawMemberName, t.Name))
+			return b.String()
+		},
+	})
 	if t.GetTypeMetadata().HasIsPublicMethod {
 		this.F = append(this.F, &defs.MemberFunctionDef{
 			Name:    "IsPublic",