{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
// the replacement template (e.g. `bar($s)`), then *, & and &mut will be added as needed to mirror
// placeholder is the receiver of a method call in the search pattern (e.g. `$s.foo()`), but not in
// whatever autoderef and autoref was happening implicitly in the matched code.