<gh_stars>1-10
class Accessor(object):
    """"""
    pass

class WriteThru(Accessor):
    """Implement write-thru access pattern."""
    pass

class WriteAround(Accessor):
    """Implement write-around access pattern."""
    pass

class WriteBack(Accessor):
    """Implement write-back access pattern."""
    pass

class Accessor(object):
    """"""
    pass

class WriteThru(Accessor):
    """Implement write-thru access pattern."""
    pass

class WriteAround(Accessor):
    """Implement write-around access pattern."""
    pass

class WriteBack(Accessor):
    """Implement write-back access pattern."""
    pass
Implement write-thru access pattern. Implement write-around access pattern. Implement write-back access pattern.