@Override
    protected Node createNode() {
        return Node.objectNodeBuilder()
                .sourceLocation(getSourceLocation())
                .withMember(PROVIDER_ARNS, providerArns.stream().map(Node::from).collect(ArrayNode.collect()))
                .build();
    }
Get the list of provider ARNs.

@return Returns the ARNs.
smithy-aws-traits/src/main/java/software/amazon/smithy/aws/traits/auth/CognitoUserPoolsTrait.java