{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"///"}]}
    /// display well (like std macros). Returns whether replacements occurred.
    /// Replaces all occurrences of one Span with another. Used to move `Span`s in areas that don't
    pub fn replace(&mut self, before: Span, after: Span) -> bool {