@@ -0,0 +1,10 @@
+package com.github.javaparser.ast.nodeTypes;
+
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.expr.Expression;
+
+public interface NodeWithExpression<N extends Node> {
+    Expression getExpression();
+
+    N setExpression(Expression expression);
+}
What are those nodes with Expressions? Are Expressions wrapping other expressions? Any sort of node containing one single expression?