From 7071c7602728ddcebc92fefefd3cf158bfe54188 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <drosen@microsoft.com>
Date: Thu, 27 Aug 2015 00:20:30 -0700
Subject: [PATCH] Added 'optgroups' option property in 'selectize'.

---
 selectize/selectize.d.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/selectize/selectize.d.ts b/selectize/selectize.d.ts
index 3ac665458d..3a61334f56 100644
--- a/selectize/selectize.d.ts
+++ b/selectize/selectize.d.ts
@@ -183,6 +183,13 @@ declare module Selectize {
          */
         valueField?: string;
 
+        /**
+         * Option groups that options will be bucketed into.
+         * If your element is a <select> with <optgroup>s this property gets populated automatically.
+         * Make sure each object in the array has a property named whatever "optgroupValueField" is set to.
+         */
+        optgroups?: U[];
+
         /**
          * The name of the option group property that serves as its unique identifier.
          *