diff --git a/x-pack/plugins/aiops/server/lib/accept_compression.ts b/x-pack/plugins/aiops/server/lib/accept_compression.ts
index b5d1a24060361f..0fd092d6473149 100644
--- a/x-pack/plugins/aiops/server/lib/accept_compression.ts
+++ b/x-pack/plugins/aiops/server/lib/accept_compression.ts
@@ -7,6 +7,12 @@
 
 import type { Headers } from '@kbn/core/server';
 
+/**
+ * Returns whether request headers accept a response using gzip compression.
+ *
+ * @param headers - Request headers.
+ * @returns boolean
+ */
 export function acceptCompression(headers: Headers) {
   let compressed = false;
 
diff --git a/x-pack/plugins/aiops/server/lib/stream_factory.ts b/x-pack/plugins/aiops/server/lib/stream_factory.ts
index fbad49621acb1d..dc67a549025273 100644
--- a/x-pack/plugins/aiops/server/lib/stream_factory.ts
+++ b/x-pack/plugins/aiops/server/lib/stream_factory.ts
@@ -22,6 +22,14 @@ class ResponseStream extends Stream.PassThrough {
 
 const DELIMITER = '\n';
 
+/**
+ * Sets up a response stream with support for gzip compression depending on provided
+ * request headers.
+ *
+ * @param logger - Kibana provided logger.
+ * @param headers - Request headers.
+ * @returns An object with stream attributes and methods.
+ */
 export function streamFactory<T extends ApiEndpoint>(logger: Logger, headers: Headers) {
   const isCompressed = acceptCompression(headers);