NSString-keyed dictionary of the receiver's scriptable properties.
- macOS 10.2+
NSString-keyed dictionary of the receiver's scriptable properties, including all of those that are declared as Attributes and ToOneRelationships in the
.script property list entries for the class and its scripting superclasses, with the exception of ones keyed by "scriptingProperties." Each key in the dictionary must be identical to the key for an Attribute or ToOneRelationship. The values of the dictionary must be Objective-C objects that are convertible to