public WorkspaceCreationProperties withInstanceIamRoleArn(String instanceIamRoleArn) {
        setInstanceIamRoleArn(instanceIamRoleArn);
        return this;
    }
<p>
Indicates the IAM role ARN of the instance.
</p>

@param instanceIamRoleArn
       Indicates the IAM role ARN of the instance.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workspaces/src/main/java/com/amazonaws/services/workspaces/model/WorkspaceCreationProperties.java