Preconditions.checkNotNullArgument(cre, "Contragent real estate is empty");

com/haulmont/chile/core/model/impl/AbstractInstance.java

position.getValueEx("category.unit.isArea")

params.forEach(accrual::setValue);

Integer payCount = dataManager.loadValue("select count(p) from rtneo$Payment p where p.inn = :inn and not p.inn='' and p.updateTs < :date", Integer.class)
.parameter("inn", contract.getContragent().getInn())
.parameter("date", endDate, TemporalType.DATE)<<<
.optional().orElse(0);

com.haulmont.cuba.core.app.importexport.EntityImportExportServiceBean#importEntitiesFromJSON