handleQueryWithUnboundKey:

Returns YES if the stored value methods storedValueForKey: and takeStoredValue:forKey: should use private accessor methods in preference to public accessors.

Invoked by takeValue:forKey: when it finds no property binding for key.

Returns the property identified by a given key.

Sets the value of the property identified by a given key.

Sets properties of the receiver with values from a given dictionary, using its keys to identify the properties

Sets the value for the property identified by keyPath to value.

Sets the value for the property identified by key to value.

Invoked if key is represented by a scalar attribute.

Returns a dictionary containing as keys the property names in keys, with corresponding values being the corresponding property values.