old_contents: from .context import tohu
  from tohu.v5.primitive_generators import *
  
  
  EXEMPLAR_PRIMITIVE_GENERATORS = [
      Constant("quux"),
      Boolean(p=0.3),
      Integer(100, 200),
      Float(low=1.234, high=5.678),
      CharString(length=8),
      DigitString(length=10),
      HashDigest(length=8),
      FakerGenerator(method="name"),
  ]
  
  EXEMPLAR_GENERATORS = EXEMPLAR_PRIMITIVE_GENERATORS
new_contents: from .context import tohu
  from tohu.v5.primitive_generators import *
  from tohu.v5.derived_generators import *
  
  
  EXEMPLAR_PRIMITIVE_GENERATORS = [
      Constant("quux"),
      Boolean(p=0.3),
      Integer(100, 200),
      Float(low=1.234, high=5.678),
      CharString(length=8),
      DigitString(length=10),
      HashDigest(length=8),
      FakerGenerator(method="name"),
  ]
  
  EXEMPLAR_DERIVED_GENERATORS = [
      Apply(lambda x, y: x + y, Integer(100, 200), Integer(300, 400)),
      Lookup(Integer(1, 5), {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}),
      SelectOneDerived(Constant(['a', 'b', 'c'])),
  ]
  
  EXEMPLAR_GENERATORS = EXEMPLAR_PRIMITIVE_GENERATORS + EXEMPLAR_DERIVED_GENERATORS
subject: Add exemplar derived generators