1 files changed, 4 insertions, 0 deletions
diff --git a/syn/src/sealed.rs b/syn/src/sealed.rs
new file mode 100644
index 0000000..0b11bc9
--- /dev/null
+++ b/syn/src/sealed.rs
@@ -0,0 +1,4 @@
+#[cfg(feature = "parsing")]
+pub mod lookahead {
+    pub trait Sealed: Copy {}
+}