1 files changed, 15 insertions, 0 deletions
diff --git a/components/script/dom/webidls/StylePropertyMapReadOnly.webidl b/components/script/dom/webidls/StylePropertyMapReadOnly.webidl
new file mode 100644
index 00000000000..6ff50ac4be9
--- /dev/null
+++ b/components/script/dom/webidls/StylePropertyMapReadOnly.webidl
@@ -0,0 +1,15 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// https://drafts.css-houdini.org/css-typed-om-1/#stylepropertymapreadonly
+// NOTE: should this be exposed to Window?
+[Exposed=(Worklet)]
+interface StylePropertyMapReadOnly {
+    CSSStyleValue? get(DOMString property);
+    // sequence<CSSStyleValue> getAll(DOMString property);
+    boolean has(DOMString property);
+    // iterable<DOMString, (CSSStyleValue or sequence<CSSStyleValue>)>;
+    // sequence<DOMString> getProperties();
+    // stringifier;
+};