{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"///"}]}
    /// * `expr_id`:               the [`hir::HirId`] of the expression composing the entire call
    /// * `self_ty_span`           the span for the type being searched within (span of `Foo`)
    #[instrument(level = "debug", skip(self), ret)]