1 files changed, 36 insertions, 0 deletions
diff --git a/devtools/shared/specs/changes.js b/devtools/shared/specs/changes.js
new file mode 100644
index 0000000000..2b5f5bbe70
--- /dev/null
+++ b/devtools/shared/specs/changes.js
@@ -0,0 +1,36 @@
+/* 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/. */
+
+"use strict";
+
+const { Arg, generateActorSpec, RetVal } = require("devtools/shared/protocol");
+
+const changesSpec = generateActorSpec({
+  typeName: "changes",
+
+  events: {
+    "add-change": {
+      type: "addChange",
+      change: Arg(0, "json"),
+    },
+    "remove-change": {
+      type: "removeChange",
+      change: Arg(0, "json"),
+    },
+    "clear-changes": {
+      type: "clearChanges",
+    },
+  },
+
+  methods: {
+    allChanges: {
+      response: {
+        changes: RetVal("array:json"),
+      },
+    },
+    start: {}, // no arguments, no response
+  },
+});
+
+exports.changesSpec = changesSpec;