Merge pull request #200 from ember-cli/add-declaration-file

Add TypeScript declaration file

Author: bertdeblock

index.d.ts

@@ -0,0 +1,8 @@
+export default function setupDeprecationWorkflow(config: {
+  throwOnUnhandled: boolean;
+  workflow: {
+    handler: 'log' | 'silence' | 'throw';
+    matchId: string;
+    matchMessage: string;
+  }[];
+}): void;