{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"///"}]}
/// part of `proc_macro::Spacing`) comes in useful.
/// guide pretty-printing, which is where the `JointHidden` value (which isn't
#[derive(Clone, Copy, Debug, PartialEq, Encodable, Decodable, HashStable_Generic)]