{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"*0xFFFF_FFFF_FFFF_FFFF_FFFF_FFFF_FFFF_FFFF_F*"}]}
            *0xFFFF_FFFF_FFFF_FFFF_FFFF_FFFF_FFFF_FFFF_F*
        expect![[r#"
            ```rust