syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:                 } else {
context_before:                     base.link_env.to_mut().push((k.to_string().into(), v.to_string().into()))
context_after:                     return Err(format!("link-env value '{s}' must be of the pattern 'KEY=VALUE'"));