{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"///"}]}
    /// Thus, `x.foo::<Bar, Baz>(a, b, c, d)` is represented as
    /// and the `&[Expr]` is the rest of the arguments.
    /// `ExprKind::MethodCall(PathSegment { foo, [Bar, Baz] }, x, [a, b, c, d], span)`.