syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"Some(to)"}]}
source_snippet:         Some(to) => match std::env::current_dir() {
context_before:     match &unstable_opts.remap_cwd_prefix {
context_after:             Ok(cwd) => mapping.push((cwd, to.clone())),