{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"///"}]}
    /// them with "placeholders" - dummy macro invocations with specially crafted `NodeId`s.
    /// Collects all macro invocations reachable at this time in this AST fragment, and replace
    /// Then call into resolver that builds a skeleton ("reduced graph") of the fragment and