Further specifies what kind of action led to generating a change:
'insert'
'remove'
'rename'
writer.rename()
'refresh'
model.editing.reconvertItem()
Further specifies what kind of action led to generating a change:
'insert'if element was inserted,'remove'if element was removed,'rename'if element got renamed (e.g.writer.rename()),'refresh'if element got refreshed (e.g.model.editing.reconvertItem()).