Time integration with PETSc TS / CVODE


I was looking for an example of time integration in dolfinx by using the PETSc package TS https://petsc.org/main/petsc4py/reference/petsc4py.PETSc.TS.html
or the SUNDIALS integrators CVODE https://computing.llnl.gov/projects/sundials/cvode.
I’d be grateful for anyone with previous experience on the topic to point me to an explanatory example in dolfinx (if any).

Many thanks