String region = SignatureUtils.awsRegionForRequest(requestURI); if (region != null) {
String region = SignatureUtils.awsRegionForRequest(requestURI); if (region != null) {
String region = SignatureUtils.awsRegionForRequest(requestURI); if (region != null) {
String region = SignatureUtils.awsRegionForRequest(requestURI); if (region != null) {