The value being cloned.
Optionalprop: string | number
The property name or index of the value being cloned.
Optionaltarget: object
The target object containing the property being cloned.
The value to use for the cloned property, or undefined to use the default cloning behavior.
Customizer function for
cloneDeepWithto handle specific cloning rules._are not deeply cloned; their references are copied instead.ignoreCloneSymbolare not cloned.