syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"code_model:"}]}
source_snippet:     code_model: Option<CodeModel> = (None, parse_code_model, [TRACKED],
context_before:     #[rustc_lint_opt_deny_field_access("use `Session::code_model` instead of this field")]
context_after:         "choose the code model to use (`rustc --print code-models` for details)"),