'Delete this worklog entry from its associated issue.
:param adjustEstimate: one of ``new``, ``leave``, ``manual`` or ``auto``.
``auto`` is the default and adjusts the estimate automatically.
``leave`` leaves the estimate unchanged by this deletion.
:param newEstimate: combined with ``adjustEstimate=new``, set the estimate to this value
:param increaseBy: combined with ``adjustEstimate=manual``, increase the remaining estimate by this amount'

def delete(self, adjustEstimate=None, newEstimate=None, increaseBy=None):

    params = {}
    if (adjustEstimate is not None):
        params[u'adjustEstimate'] = adjustEstimate
    if (newEstimate is not None):
        params[u'newEstimate'] = newEstimate
    if (increaseBy is not None):
        params[u'increaseBy'] = increaseBy
    super(Worklog, self).delete(params)
