public C populate(Object bean) {
        return populate(bean, DefaultMapper.DEFAULT);
    }
Populate the INSERT clause with the properties of the given bean. The
properties need to match the fields of the clause's entity instance.

@param bean bean to use for population
@return the current object
querydsl-sql/src/main/java/com/querydsl/sql/dml/AbstractSQLInsertClause.java