syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! the SVH in the hash, invalidate an unbounded number of symbol names. This
context_before: //! code base will offset all NodeIds after the change and thus, much as using
context_after: //! makes re-using previously compiled code for incremental compilation