syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"Box::new(JsonEmitter::new("}]}
source_snippet:             Box::new(JsonEmitter::new(
context_before:         config::ErrorOutputType::Json { pretty, json_rendered, color_config } => {
context_after:                 Box::new(io::BufWriter::new(io::stderr())),