return AthenaClient.builder().build()

public class MyClass {
    public static void main(String[] args) {
        DefaultCredentialsProvider credentialsWithProfileFile = DefaultCredentialsProvider.builder()
                .profileFile(ProfileFileSupplier.defaultSupplier())
                .build();
        DefaultCredentialsProvider credentialsDefault = DefaultCredentialsProvider.create();

        Path credentialsFilePath = FileSystems.getDefault().getPath(System.getenv("AWS_SHARED_CREDENTIALS_FILE"));

        List<Path> testCredentials = new ArrayList<>();
        testCredentials.add(credentialsFilePath.resolveSibling(credentialsFilePath.getFileName() + ".test_a"));
        testCredentials.add(credentialsFilePath.resolveSibling(credentialsFilePath.getFileName() + ".test_b"));

        int fileIndex = 0;

        while(true) {
            Path currentPath = testCredentials.get(fileIndex++ % testCredentials.size());
            System.out.println("Writing credentials file from " + currentPath);
            try {
                Files.copy(currentPath, credentialsFilePath, REPLACE_EXISTING);
            } catch (IOException e) {
                System.out.println("ERROR " + e.getMessage());
            }

            tryCredentials(credentialsDefault,         "Default                 ");
            tryCredentials(credentialsWithProfileFile, "With ProfileFileSupplier");

            System.out.println("---");
            try {
                Thread.sleep(1000);
            } catch(InterruptedException e) {
                System.exit(0);
            }
        }
    }

    private static void tryCredentials(AwsCredentialsProvider provider, String name) {
        String accessKeyId = "";
        try {
            var credentials = provider.resolveCredentials();
            accessKeyId = credentials.accessKeyId();
        } catch(Exception e) {
            accessKeyId = "ERROR " + e.getMessage();
        }
        System.out.format("Access Key ID (%s): %s*****\n", name, accessKeyId.substring(0, accessKeyId.length() - 5));
    }
}