{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"DeprecatedWhereclauseLocation(Span,"}]}
    DeprecatedWhereclauseLocation(Span, Option<(Span, String)>),
    UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>),
    MissingUnsafeOnExtern {