content: 
  __all__ = ['CBaseLoader', 'CSafeLoader', 'CLoader',
          'CBaseDumper', 'CSafeDumper', 'CDumper']
  
  from ._yaml import CParser, CEmitter
  
  from constructor import *
  
  from serializer import *
  from representer import *
  
  from resolver import *
  
  class CBaseLoader(CParser, BaseConstructor, BaseResolver):
  
      def __init__(self, stream):
          CParser.__init__(self, stream)
          BaseConstructor.__init__(self)
          BaseResolver.__init__(self)
  
  class CSafeLoader(CParser, SafeConstructor, Resolver):
  
      def __init__(self, stream):
          CParser.__init__(self, stream)
          SafeConstructor.__init__(self)
          Resolver.__init__(self)
  
  class CLoader(CParser, Constructor, Resolver):
  
      def __init__(self, stream):
          CParser.__init__(self, stream)
          Constructor.__init__(self)
          Resolver.__init__(self)
  
  class CBaseDumper(CEmitter, BaseRepresenter, BaseResolver):
  
      def __init__(self, stream,
              default_style=None, default_flow_style=None,
              canonical=None, indent=None, width=None,
              allow_unicode=None, line_break=None,
              encoding=None, explicit_start=None, explicit_end=None,
              version=None, tags=None):
          CEmitter.__init__(self, stream, canonical=canonical,
                  indent=indent, width=width, encoding=encoding,
                  allow_unicode=allow_unicode, line_break=line_break,
                  explicit_start=explicit_start, explicit_end=explicit_end,
                  version=version, tags=tags)
          Representer.__init__(self, default_style=default_style,
                  default_flow_style=default_flow_style)
          Resolver.__init__(self)
  
  class CSafeDumper(CEmitter, SafeRepresenter, Resolver):
  
      def __init__(self, stream,
              default_style=None, default_flow_style=None,
              canonical=None, indent=None, width=None,
              allow_unicode=None, line_break=None,
              encoding=None, explicit_start=None, explicit_end=None,
              version=None, tags=None):
          CEmitter.__init__(self, stream, canonical=canonical,
                  indent=indent, width=width, encoding=encoding,
                  allow_unicode=allow_unicode, line_break=line_break,
                  explicit_start=explicit_start, explicit_end=explicit_end,
                  version=version, tags=tags)
          SafeRepresenter.__init__(self, default_style=default_style,
                  default_flow_style=default_flow_style)
          Resolver.__init__(self)
  
  class CDumper(CEmitter, Serializer, Representer, Resolver):
  
      def __init__(self, stream,
              default_style=None, default_flow_style=None,
              canonical=None, indent=None, width=None,
              allow_unicode=None, line_break=None,
              encoding=None, explicit_start=None, explicit_end=None,
              version=None, tags=None):
          CEmitter.__init__(self, stream, canonical=canonical,
                  indent=indent, width=width, encoding=encoding,
                  allow_unicode=allow_unicode, line_break=line_break,
                  explicit_start=explicit_start, explicit_end=explicit_end,
                  version=version, tags=tags)
          Representer.__init__(self, default_style=default_style,
                  default_flow_style=default_flow_style)
          Resolver.__init__(self)
  
  