Get the parent customer of a customer, if it exists
Get the child customers of a parent customer, if it exists
OptionalcreatedAt?: DbTimestampCriteriaOptionalorderBy?: DbOrderByCriterion<Optionalpage?: numberDefaults to 1
OptionalpageSize?: numberDefaults to 10
OptionalupdatedAt?: DbTimestampCriteria
Query/create customer parent relationships