public UpdateWorkspaceRequest withRole(String role) {
        setRole(role);
        return this;
    }
<p>
The ARN of the execution role associated with the workspace.
</p>

@param role
       The ARN of the execution role associated with the workspace.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/UpdateWorkspaceRequest.java