i spent the last year just spinning

flash-extensions/flash-ext-view/docs/adapters.md

@@ -0,0 +1,29 @@
+# Adapters
+
+`ViewEngineAdapter` is the rendering boundary.
+
+## Built-in
+
+- `ViewEngineType.THYMELEAF`
+
+## Custom adapter
+
+```java
+public final class MyAdapter implements ViewEngineAdapter {
+    @Override
+    public EngineCapabilities capabilities() {
+        return EngineCapabilities.NONE;
+    }
+
+    @Override
+    public RenderOutput render(ViewTarget target,
+                               Map<String, Object> model,
+                               Request req,
+                               Response res) {
+        String body = "...";
+        return RenderOutput.html(body);
+    }
+}
+```
+
+Adapter instances must be thread-safe after construction.