diff --git a/src/ref/ArcanistDisplayRef.php b/src/ref/ArcanistDisplayRef.php
--- a/src/ref/ArcanistDisplayRef.php
+++ b/src/ref/ArcanistDisplayRef.php
@@ -7,6 +7,7 @@
 
   private $ref;
   private $uri;
+  private $lines = array();
 
   public function setRef(ArcanistRef $ref) {
     $this->ref = $ref;
@@ -26,6 +27,11 @@
     return $this->uri;
   }
 
+  public function appendLine($line) {
+    $this->lines[] = $line;
+    return $this;
+  }
+
   public function newTerminalString() {
     $ref = $this->getRef();
 
@@ -83,6 +89,10 @@
         $uri);
     }
 
+    foreach ($this->lines as $line) {
+      $output[] = tsprintf("        %s\n", $line);
+    }
+
     return $output;
   }