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PiperOrigin-RevId: 910421843

grammar_codegen/backend.h

diff --git a/grammar_codegen/backend.h b/grammar_codegen/backend.h
index 2202736..3cccc37 100644
--- a/grammar_codegen/backend.h
+++ b/grammar_codegen/backend.h
@@ -62,7 +62,7 @@
 
   // Get the name of the generated class for the block.
   std::string GetClassName(const Block& block);
-  std::string GetClassNameForSymbol(const std::string id);
+  std::string GetClassNameForSymbol(std::string id);
   std::string GetClassNameForLiteral(absl::string_view s);
   std::string GetClassNameForCharSet(absl::string_view s);