Fix things

Signed-off-by: sirivarma <siri.varma@outlook.com>

sdk/src/main/java/io/dapr/client/domain/AssistantMessage.java

@@ -49,9 +49,11 @@ public class AssistantMessage implements ConversationMessage {
    * Sets the name of the assistant participant.
    *
    * @param name the name to set
+   * @return this instance for method chaining
    */
-  public void setName(String name) {
+  public AssistantMessage setName(String name) {
     this.name = name;
+    return this;
   }
 
   @Override

sdk/src/main/java/io/dapr/client/domain/DeveloperMessage.java

@@ -47,9 +47,11 @@ public class DeveloperMessage implements ConversationMessage {
    * Sets the name of the developer participant.
    *
    * @param name the name to set
+   * @return this instance for method chaining
    */
-  public void setName(String name) {
+  public DeveloperMessage setName(String name) {
     this.name = name;
+    return this;
   }
 
   @Override

sdk/src/main/java/io/dapr/client/domain/ToolMessage.java

@@ -48,18 +48,22 @@ public class ToolMessage implements ConversationMessage {
    * Sets the tool identifier.
    *
    * @param toolId the tool identifier to set
+   * @return this instance for method chaining
    */
-  public void setToolId(String toolId) {
+  public ToolMessage setToolId(String toolId) {
     this.toolId = toolId;
+    return this;
   }
 
   /**
    * Sets the name of the tool participant.
    *
    * @param name the name to set
+   * @return this instance for method chaining
    */
-  public void setName(String name) {
+  public ToolMessage setName(String name) {
     this.name = name;
+    return this;
   }
 
   @Override

sdk/src/main/java/io/dapr/client/domain/UserMessage.java

@@ -47,9 +47,11 @@ public class UserMessage implements ConversationMessage {
    * Sets the name of the user participant.
    *
    * @param name the name to set
+   * @return this instance for method chaining
    */
-  public void setName(String name) {
+  public UserMessage setName(String name) {
     this.name = name;
+    return this;
   }
 
   @Override