diff --git a/milli/src/update/new/channel.rs b/milli/src/update/new/channel.rs
index 8226046e6..5c206b5ba 100644
--- a/milli/src/update/new/channel.rs
+++ b/milli/src/update/new/channel.rs
@@ -12,6 +12,7 @@ use super::StdResult;
 use crate::index::main_key::{DOCUMENTS_IDS_KEY, WORDS_FST_KEY, WORDS_PREFIXES_FST_KEY};
 use crate::update::new::KvReaderFieldId;
 use crate::update::MergeDeladdCboRoaringBitmaps;
+use crate::vector::Embeddings;
 use crate::{DocumentId, Index};
 
 /// The capacity of the channel is currently in number of messages.
@@ -489,6 +490,23 @@ impl DocumentsSender<'_> {
     }
 }
 
+pub struct EmbeddingSender<'a>(Option<&'a Sender<MergerOperation>>);
+
+impl EmbeddingSender<'_> {
+    pub fn delete_embeddings(docid: DocumentId, embedder_id: u8) -> StdResult<(), SendError<()>> {
+        todo!()
+    }
+
+    pub fn set_embeddings(
+        docid: DocumentId,
+        embedder_id: u8,
+        embeddings: Embeddings<f32>,
+    ) -> StdResult<(), SendError<()>> {
+        todo!()
+    }
+
+    pub fn finish_embedder(embedder_id: u8) {}
+}
 pub enum MergerOperation {
     ExactWordDocidsMerger(Merger<File, MergeDeladdCboRoaringBitmaps>),
     FidWordCountDocidsMerger(Merger<File, MergeDeladdCboRoaringBitmaps>),