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-rw-r--r--rust/syn/sealed.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/rust/syn/sealed.rs b/rust/syn/sealed.rs
index dc804742d12d..541df9623755 100644
--- a/rust/syn/sealed.rs
+++ b/rust/syn/sealed.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
#[cfg(feature = "parsing")]
pub(crate) mod lookahead {
pub trait Sealed: Copy {}