Specifies the default value of the property with the specified key.
Original signature is '+ (id)defaultValueForKey:(NSString *)key'
Available in Mac OS X v10.6 and later.


- key (NSString)
- The name of one of the receiver’s properties.

The default value for the named property. Returns nil if no default value has been set.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)