public String getPrincipalArn() {
        return this.principalArn;
    }
<p>
The Amazon Resource Name (ARN) of the role, if it is activated.
</p>

@return The Amazon Resource Name (ARN) of the role, if it is activated.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/ContainerServiceECRImagePullerRole.java