Set the DOFProtocolNegotiator for the given DOFConnectionConfigBuilder. 
Please refer to DOFConnectionConfigBuilder_Create for the default value for this setting.
- Parameters
 - 
  
    | self | The Connection Config Builder. If self is NULL, no action will be taken.  | 
    | negotiator | The DOFProtocolNegotiator. This must not be NULL. | 
  
   
- Return values
 - 
  
    | TRUE | Protocol negotiator was set.  | 
  
   
- Exceptions
 - 
  
    | FALSE | Protocol negotiator set failed.  |