RDBC-959: Add AI agent feature

pom.xml

@@ -55,6 +55,11 @@
     </dependencyManagement>
 
     <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.13.0</version>
+        </dependency>
         <dependency>
             <groupId>com.github.luben</groupId>
             <artifactId>zstd-jni</artifactId>
@@ -110,6 +115,18 @@
             <artifactId>jackson-databind</artifactId>
             <version>2.16.2</version>
         </dependency>
+        <dependency>
+            <groupId>jakarta.validation</groupId>
+            <artifactId>jakarta.validation-api</artifactId>
+            <version>3.0.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate.validator</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <version>8.0.1.Final</version>
+        </dependency>
+
 
 
         <!-- test dependencies -->

src/main/java/net/ravendb/client/documents/AI/AiAnswer.java

@@ -0,0 +1,62 @@
+package net.ravendb.client.documents.AI;
+
+import net.ravendb.client.documents.operations.AI.AiUsage;
+import java.time.Duration;
+
+public class AiAnswer<TAnswer> {
+    /**
+     * The answer content produced by the AI.
+     */
+    private TAnswer answer;
+
+    /**
+     * The status of the conversation.
+     */
+    private AiConversationResult status;
+
+    /**
+     * Token usage reported by the model for generating this answer (prompt/completion/total).
+     */
+    private AiUsage usage;
+
+    /**
+     * The total time elapsed to produce the answer(measured from the server's request to the LLM until the response was received).
+     */
+    private Duration elapsed;
+
+    public AiAnswer() {
+    }
+
+    public AiUsage getUsage() {
+        return usage;
+    }
+
+    public void setUsage(AiUsage usage) {
+        this.usage = usage;
+    }
+
+    public Duration getElapsed() {
+        return elapsed;
+    }
+
+    public void setElapsed(Duration elapsed) {
+        this.elapsed = elapsed;
+    }
+
+    public TAnswer getAnswer() {
+        return answer;
+    }
+
+    public void setAnswer(TAnswer answer) {
+        this.answer = answer;
+    }
+
+    public AiConversationResult getStatus() {
+        return status;
+    }
+
+    public void setStatus(AiConversationResult status) {
+        this.status = status;
+    }
+}
+