text: from data_mapper.properties import (
      IntegerProperty, FloatProperty, DictProperty,
      StringProperty,
      ListProperty,
      CompoundProperty,
      CompoundListProperty,
      BooleanProperty,
      Property,
      Value,
      PropertyRef,
  )
  
  from data_mapper.properties.functional import (
      Operation,
      FunctionProperty,
  )
  
  P = Property
  V = Value
  Op = Operation
  F = FunctionProperty
  R = PropertyRef
  Bool = Boolean = BooleanProperty
  Str = StringProperty
  Int = IntegerProperty
  Float = FloatProperty
  Dict = DictProperty
  List = ListProperty
  D = CompoundProperty
  L = CompoundListProperty
  