class Cls(properties.Owner):
value = properties.Property(required=True, default="default")
class Cls(properties.Owner):
value = properties.Property(default="default")
class Cls(properties.Owner):
value = properties.Property(required=True)
def __init__(self, value=None):
self.value = value
class Cls(properties.Owner):
value = properties.Property(required=True)
class Cls(properties.Owner):
value = properties.Property(doc="description")
class Cls(properties.Owner):
value = properties.Property()
