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

@param principalArn
       The Amazon Resource Name (ARN) of the role, if it is activated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/ContainerServiceECRImagePullerRole.java