Declaration
public static ReadOnlyDictionary<TK, TV> AsReadOnly<TK, TV>(
    this IDictionary<TK, TV> dict,
    ref ReadOnlyDictionary<TK, TV> cache
)Summary
                Gets a read-only wrapper around this dictionary. If 
cache is already a wrapper for this
                dictionary returns that, otherwise creates a new wrapper, stores it in 
cache, and returns
                that.
Generic type parameters
| TK | This type parameter is not documented. | 
| TV | This type parameter is not documented. |