in src/main/java/com/amazonaws/kda/flink/starterkit/SessionUtil.java [91:101]
public static boolean checkIfRegionExist(String region) {
boolean regionExist = false;
if (region.equalsIgnoreCase(Regions.US_EAST_1.getName()) || region.equalsIgnoreCase(Regions.US_EAST_2.getName())
|| region.equalsIgnoreCase(Regions.US_WEST_1.getName())
|| region.equalsIgnoreCase(Regions.US_WEST_2.getName())) {
regionExist = true;
log.info("The provided region is valid: " + region);
} else
log.error("The provided region is not valid: " + region);
return regionExist;
}