in aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/model/MultiValuedTreeMap.java [207:225]
public String toString() {
StringBuilder result = new StringBuilder();
String delim = ",";
for (Object name : keySet()) {
for (Object value : get(name)) {
result.append(delim);
if (name == null) {
result.append("null"); //$NON-NLS-1$
} else {
result.append(name.toString());
}
if (value != null) {
result.append('=');
result.append(value.toString());
}
}
}
return "[" + result.toString() + "]";
}