See: Description
| Class | Description | 
|---|---|
| BooleanToStringTypeAdapter | 
 This TypeAdapter converts "yes", "no", "true", and "false" to Booleans and vice versa. 
 | 
| CredentialUtils | 
 The Class CredentialUtils. 
 | 
| CredentialUtils.ServiceCredentials | 
 A util class to easily store service credentials. 
 | 
| DateDeserializer | 
 Date deserializer for different date format across all the Watson APIs. 
 | 
| DateSerializer | 
 Date serializer. 
 | 
| GsonSingleton | 
 Gson singleton to be use when transforming from JSON to Java Objects and vise versa. 
 | 
| LongToDateTypeAdapter | 
 This TypeAdapter converts unix timestamps (in numeric or String form) to Java Dates and vice versa. 
 | 
| RequestUtils | 
 Utility functions to use when creating a  
RequestBuilder. | 
| ResponseConverterUtils | 
 Utility class to convert service responses into a  
ResponseConverter. | 
| ResponseUtils | 
 Utility class to manage service responses. 
 | 
| Validator | 
 This class assists in validating arguments. 
If an argument value is deemed invalid, an IllegalArgumentException is thrown.  | 
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