docstr: Returns resulting strategy that generates configured char set.
docstr_tok: ["Returns","resulting","strategy","that","generates","configured","char","set","."]
code: def strategy(self):
      """Returns resulting strategy that generates configured char set."""
      allowed = self._whitelist_chars
      if self._negate:
          allowed = BYTES_ALL - allowed
      return st.sampled_from(sorted(allowed))
  
imports: from __future__ import absolute_import, division, print_function
  import operator
  import re
  import sre_constants
  import sre_parse
  import sys
  import hypothesis.strategies
  from hypothesis import reject
  from hypothesis.internal.charmap import as_general_categories, categories
  from hypothesis.internal.compat import PY3, hrange, hunichr, int_to_byte, text_type
label_desc: Use image node_id 2 for calling the BytesBuilder obj's underlying member method code with example usage: obj.strategy() and returns: st