* remove feature toggle + add libraryPaneldefinition * update doc * update comments * Apply suggestions from code review Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com> * fix typo * remove post trim * update api doc * solve comments and retrigger the test Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>