[F] $parentResource
function $parentResource(   context,   target,   parent): void@parentResource marks a model with a reference to its parent resource type
The first argument should be a reference to a model type which will be treated as the parent
type of the target model type.  This will cause the @key properties of all parent types of
the target type to show up in operations of the Resource*<T> interfaces defined in this library.
@parentResource can only be applied to models.
Parameters
| Parameter | Type | 
|---|---|
context | DecoratorContext | 
target | Model | 
parent | Model | 
Returns
void