The definition of properties and methods for the SDZRateChangeInfo object.
Inherits from the SoapObject* base class.
For more about Objective-C properties, see “Properties” in The Objective-C Programming Language.
@property (retain, nonatomic) NSString* beginDate
@property (retain, nonatomic) NSString* endDate
@property float rate
@property (retain, nonatomic) NSString* rawRateChangeData