ST_Boundary for Oracle Spatial

Is it possible to do the equivalent of ST_Boundary with Oracle Spatial? As in get a LINESTRING/MULTILINESTRING from a POLYGON, or a MULTIPOINT from a LINESTRING?

I know the other vendors support it:

https://postgis.net/docs/ST_Boundary.html

https://docs.microsoft.com/en-us/sql/t-sql/spatial-geometry/stboundary-geometry-data-type?view=sql-server-ver16