Resolved: How to get the structure of json element?

SELECT f(json_Array (json_object ('a' VALUE 1,json_Array (b valuejson_object ('a' VALUE 1)))= FROM DUAL;

WITH table_name (value) AS (
  SELECT json_Array(
           json_object (
             'a' VALUE 1,
             'b' VALUE json_Array(
                         json_object ('a' VALUE 1),
                         'abcd',
                         123
                       )
           )
         )
  FROM   DUAL
)
SELECT j.path,
       j.type
FROM   table_name t
       CROSS JOIN LATERAL(
         SELECT JSON_DATAGUIDE(t.value) AS data
         FROM   DUAL
       ) d
       CROSS JOIN LATERAL(
         SELECT *
         FROM   JSON_TABLE(
                  d.data,
                  '$[*]'
                  COLUMNS(
                    path VARCHAR2(200) PATH '$."o:path"',
                    type VARCHAR2(200) PATH '$.type',
                    len  INTEGER       PATH '$."o:length"'
                  )
                )
       ) j;