syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! that, since NodeIds are notoriously unstable: A small change to the
context_before: //! current version of the name generation algorithm takes great care not to do
context_after: //! code base will offset all NodeIds after the change and thus, much as using