@Override
    public <T1> AfterJoin<T0, T1> innerJoinOn(HasComparableOperators<T1, ?> joinedField) {
        return new AfterJoinImpl<>(addStageBeanOf(JoinType.INNER_JOIN, joinedField));
    }
@author Per Minborg
@param <T0> entity type of the first table
runtime-parent/runtime-join/src/main/java/com/speedment/runtime/join/internal/component/join/JoinBuilder1Impl.java