syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"(Ok(\"truecolor\"),"}]}
source_snippet:                 (Ok("truecolor"), Ok("xterm-256color"))
context_before:             match (std::env::var("COLORTERM").as_deref(), std::env::var("TERM").as_deref()) {
context_after:                     if sopts.unstable_features.is_nightly_build() =>