public String exampleCode()
        {
            return interaction.exampleCode();
        }
Returns some example code for the codec interaction that the transitions in this group share.
Useful for producing error messages.
@return some example code for the codec interaction that the transitions in this group share.
sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/common/FieldPrecedenceModel.java