feat: GenAI - Added the Candidate.avg_logprobs property

PiperOrigin-RevId: 665405497

Author: vertex-sdk-bot

vertexai/generative_models/_generative_models.py

@@ -1941,6 +1941,10 @@ def content(self) -> "Content":
             raw_content=self._raw_candidate.content,
         )
 
+    @property
+    def avg_logprobs(self) -> float:
+        return self._raw_candidate.avg_logprobs
+
     @property
     def finish_reason(self) -> gapic_content_types.Candidate.FinishReason:
         return self._raw_candidate.finish_reason