Generate wire and data model API shims

crates/libremetaverse-structured-data/src/lib.rs

@@ -5,6 +5,9 @@ extern crate self as libremetaverse_structured_data;
 mod generated;
 
 pub mod xml {
+    /// Project-owned XML element boundary; external XML APIs are not copied.
+    pub struct Element;
+
     /// Native XML reader boundary; external XML APIs are not copied.
     pub struct Reader;