default T throwing(final Type exception) {
        return add(exception);
    }
Adds the specified exception reference to the {@code throws}-clause
of this model. This is a synonym of {@link #add(Type)}.

@param exception  the new exception
@return           a reference to this
common-parent/codegen/src/main/java/com/speedment/common/codegen/model/trait/HasThrows.java