'Copies the specified DBSnapshot.
:type source_snapshot_id: string
:param source_snapshot_id: The identifier for the source DB snapshot.
:type target_snapshot_id: string
:param target_snapshot_id: The identifier for the copied snapshot.
:rtype: :class:`boto.rds.dbsnapshot.DBSnapshot`
:return: The newly created DBSnapshot.'

def copy_dbsnapshot(self, source_snapshot_id, target_snapshot_id):

    params = {'SourceDBSnapshotIdentifier': source_snapshot_id, 'TargetDBSnapshotIdentifier': target_snapshot_id}
    return self.get_object('CopyDBSnapshot', params, DBSnapshot)
