{"ast_node_type":"other","tokens":[{"end":138,"kind":"keyword","start":0,"text":"Unsize,"}]}
    Unsize,                  sym::unsize,              unsize_trait,               Target::Trait,          GenericRequirement::Minimum(1);
    PointeeSized,            sym::pointee_sized,       pointee_sized_trait,        Target::Trait,          GenericRequirement::Exact(0);
    /// Trait injected by `#[derive(PartialEq)]`, (i.e. "Partial EQ").