1 files changed, 16 insertions, 1 deletions
diff --git a/ext/net/lib.deno_net.d.ts b/ext/net/lib.deno_net.d.ts
index 038452055..ab779a1ff 100644
--- a/ext/net/lib.deno_net.d.ts
+++ b/ext/net/lib.deno_net.d.ts
@@ -143,7 +143,22 @@ declare namespace Deno {
    * ```
    *
    * Requires `allow-net` permission for "tcp". */
-  export function connect(options: ConnectOptions): Promise<Conn>;
+  export function connect(options: ConnectOptions): Promise<TcpConn>;
+
+  export interface TcpConn extends Conn {
+    /**
+     * **UNSTABLE**: new API, see https://github.com/denoland/deno/issues/13617.
+     *
+     * Enable/disable the use of Nagle's algorithm. Defaults to true.
+     */
+    setNoDelay(nodelay?: boolean): void;
+    /**
+     * **UNSTABLE**: new API, see https://github.com/denoland/deno/issues/13617.
+     *
+     * Enable/disable keep-alive functionality.
+     */
+    setKeepAlive(keepalive?: boolean): void;
+  }
 
   export interface ConnectTlsOptions {
     /** The port to connect to. */