| Interface | Description | 
|---|---|
| MessageCode | 
 MessageCode is marker interface to mark all MessageCode enumerations. 
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| Class | Description | 
|---|---|
| Message | 
 Class representing system message. 
 | 
| MessageAdapter | 
 MessageAdapter - this adapter is used by JAXB for marshaling and unmarshaling. 
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| Enum | Description | 
|---|---|
| Message.Code | 
 Default message code. 
 |