@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (map == null ) return o == null;
        if (!(o instanceof Map<?,?>)) return false;
        
        Map<?, ?> that = (Map<?, ?>) o;

        return map.equals(that);
    }
Return true if the map is auto constructed by Java SDK; false otherwise.
aws-java-sdk-core/src/main/java/com/amazonaws/internal/SdkInternalMap.java