1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/shared/specs/changes.js b/devtools/shared/specs/changes.js
new file mode 100644
index 0000000000..ba8f2fd042
--- /dev/null
+++ b/devtools/shared/specs/changes.js
@@ -0,0 +1,40 @@
+/* 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("resource://devtools/shared/protocol.js");
+
+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;