@Override
    public String toString() {
        return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE).append("source class", getSrcClassName()).append(
                "destination class", getDestClassName()).append("map-id", mapId).toString();
    }
Internal class that represents a class mapping definition. Holds all of the information about a single class mapping.
Only intended for internal use.
core/src/main/java/com/github/dozermapper/core/classmap/ClassMap.java