class_docstr: Matches documents containing a list of sub-queries in adjacent
  positions.
  
  This object has no sanity check to prevent you from using queries in
  different fields.
code: def estimate_min_size(self, ixreader):
      return self._and_query().estimate_min_size(ixreader)
  
imports: from __future__ import division
  import copy
  from whoosh import matching
  from whoosh.analysis import Token
  from whoosh.compat import u
  from whoosh.query import qcore, terms, compound
label_desc: Use image node_id 8 for calling the Sequence obj's underlying member method code with example usage: obj.estimate_min_size(ixreader) and returns: self