public StringClauses insertAfter(Enum existingKey, String newValue) {
        return insertAfter(existingKey.name(), newValue);
    }
public StringClauses insertAfter(Enum existingKey, String newValue) {
        return insertAfter(existingKey.name(), newValue);
    }
public StringClauses insertAfter ( Enum existingKey , String newValue ) { return insertAfter ( existingKey . name ( ) , newValue ) ; }
Convenience method for {@link #insertAfter(String, String)} when using enums
Convenience method for {