in aws-mwaa-environment/src/main/java/software/amazon/mwaa/translator/TypeTranslator.java [62:74]
public static String mapToLogString(Map<String, String> input) {
if (input == null) {
return "{}";
}
final String keyValues = input
.keySet()
.stream()
.sorted()
.map(key -> String.format("%s=%s", key, input.get(key) == null ? "null" : quote(input.get(key))))
.collect(Collectors.joining(", "));
return "{" + keyValues + "}";
}