Java: Model ResponseEntity.BodyBuilder

java/ql/src/semmle/code/java/frameworks/spring/SpringHttp.qll

@@ -25,4 +25,11 @@ class SpringResponseEntity extends Class {
         .(RefType)
         .hasQualifiedName("org.springframework.http", "ResponseEntity")
   }
+}
+
+class SpringResponseEntityBodyBuilder extends Interface {
+  SpringResponseEntityBodyBuilder() {
+    getSourceDeclaration().getEnclosingType() = any(SpringResponseEntity sre) and
+    hasName("BodyBuilder")
+  }
 }