class_docstr: Interface class for storage systems.
  
  A key -> multiple distinct values mapping.
  
  Keys and values are binary data.
docstr: Remove this value from this key.
  
  If this value is not present, silently do nothing.
docstr_tok: ["Remove","this","value","from","this","key",".","If","this","value","is","not","present",",","silently","do","nothing","."]
code: def delete(self, key, value):
      """Remove this value from this key.
  
      If this value is not present, silently do nothing.
      """
      raise NotImplementedError("%s.delete" % (type(self).__name__))
  
imports: from __future__ import absolute_import, division, print_function
  import binascii
  import os
  import warnings
  from hashlib import sha384
  from hypothesis.configuration import mkdir_p, storage_directory
  from hypothesis.errors import HypothesisException, HypothesisWarning
  from hypothesis.internal.compat import hbytes
  from hypothesis.utils.conventions import not_set
label_desc: Use image node_id 2 for calling the ExampleDatabase obj's underlying member method code with example usage: obj.delete(key, value) without return types