{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"///"}]}
    /// `foo.clone()` both have the same type, returning the span for `.clone()` if so.
    /// Given an expression, check if it is a method call `foo.clone()`, where `foo` and
    pub(crate) fn clone_on_reference(&self, expr: &hir::Expr<'_>) -> Option<Span> {