code: def __init__(self, stream):
      Reader.__init__(self, stream)
      Scanner.__init__(self)
      Parser.__init__(self)
      Composer.__init__(self)
      BaseConstructor.__init__(self)
      BaseResolver.__init__(self)
  
imports: from .reader import *
  from .scanner import *
  from .parser import *
  from .composer import *
  from .constructor import *
  from .resolver import *
label_desc: Use image node_id 1 to create a new BaseLoader object from inherited base classes: Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver with example: obj = BaseLoader(stream)