[GH-3723] addressing review comments

Closes GH-3723

Signed-off-by: Rodrigo Malara <[email protected]>

Author: rodrigomalara

models/spring-ai-vertex-ai-gemini/src/main/java/org/springframework/ai/vertexai/gemini/VertexAiGeminiChatModel.java

@@ -49,7 +49,6 @@
 import io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.ai.vertexai.gemini.api.VertexAiGeminiApi;
 import reactor.core.publisher.Flux;
 import reactor.core.scheduler.Schedulers;
 
@@ -85,6 +84,7 @@
 import org.springframework.ai.retry.RetryUtils;
 import org.springframework.ai.support.UsageCalculator;
 import org.springframework.ai.tool.definition.ToolDefinition;
+import org.springframework.ai.vertexai.gemini.api.VertexAiGeminiApi;
 import org.springframework.ai.vertexai.gemini.common.VertexAiGeminiConstants;
 import org.springframework.ai.vertexai.gemini.common.VertexAiGeminiSafetySetting;
 import org.springframework.ai.vertexai.gemini.schema.VertexToolCallingManager;

models/spring-ai-vertex-ai-gemini/src/main/java/org/springframework/ai/vertexai/gemini/VertexAiGeminiChatOptions.java

@@ -387,8 +387,7 @@ public int hashCode() {
 		return Objects.hash(this.stopSequences, this.temperature, this.topP, this.topK, this.candidateCount,
 				this.frequencyPenalty, this.presencePenalty, this.maxOutputTokens, this.model, this.responseMimeType,
 				this.toolCallbacks, this.toolNames, this.googleSearchRetrieval, this.safetySettings,
-				this.internalToolExecutionEnabled, this.toolContext, this.toolContext, this.logprobs,
-				this.responseLogprobs);
+				this.internalToolExecutionEnabled, this.toolContext, this.logprobs, this.responseLogprobs);
 	}
 
 	@Override

models/spring-ai-vertex-ai-gemini/src/main/java/org/springframework/ai/vertexai/gemini/api/VertexAiGeminiApi.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2023-2025 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.springframework.ai.vertexai.gemini.api;
 
 import java.util.List;