class_docstr: Parameters
  ----------
  position_cutoff : float
      Used by SequenceDB to keep only optimizer that are positioned before
      the cut_off point.
class_docstr_tok: ["Parameters","--","--","--","--","--","position_cutoff",":","float","Used","by","SequenceDB","to","keep","only","optimizer","that","are","positioned","before","the","cut_off","point","."]
code: def register(self, *optimizations):
      return Query(
          self.include,
          self.require,
          self.exclude,
          self.subquery,
          self.position_cutoff,
          self.extra_optimizations + list(optimizations),
      )
  
imports: from __future__ import absolute_import, print_function, division
  import copy
  import sys
  from theano.compat import DefaultOrderedDict
  from theano.misc.ordered_set import OrderedSet
  from six import StringIO, integer_types
  from theano.gof import opt
  from theano import config
label_desc: Use image node_id 7 for calling the Query obj's underlying member method code with example usage: obj.register() and returns: Query