syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"tls_model:"}]}
source_snippet:     tls_model: Option<TlsModel> = (None, parse_tls_model, [TRACKED],
context_before:     #[rustc_lint_opt_deny_field_access("use `Session::tls_model` instead of this field")]
context_after:         "choose the TLS model to use (`rustc --print tls-models` for details)"),