1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/interfaces/custom-state-pseudo-class.idl b/testing/web-platform/tests/interfaces/custom-state-pseudo-class.idl
new file mode 100644
index 0000000000..342f1ede0b
--- /dev/null
+++ b/testing/web-platform/tests/interfaces/custom-state-pseudo-class.idl
@@ -0,0 +1,14 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Custom State Pseudo Class (https://wicg.github.io/custom-state-pseudo-class/)
+
+partial interface ElementInternals {
+  readonly attribute CustomStateSet states;
+};
+
+[Exposed=Window]
+interface CustomStateSet {
+  setlike<DOMString>;
+  undefined add(DOMString value);
+};