syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"TargetTuple::TargetTuple(tuple)"}]}
source_snippet:             TargetTuple::TargetTuple(tuple) => tuple.to_owned(),
context_before:         match self {
context_after:             TargetTuple::TargetJson { path_for_rustdoc: _, tuple, contents: content } => {