{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"[field1,"}]}
            [field1, field2] => format!("`{field1}` and `{field2}`"),
            [field1] => format!("`{field1}`"),
            [field1, field2, field3] => format!("`{field1}`, `{field2}` and `{field3}`"),