public Class<?> getPropertyType() {
        if (propertyType == null) {
            propertyType = determinePropertyType();
        }
        return propertyType;
    }
Internal class used to read and write values for fields that have a getter and setter method. This class encapsulates
underlying dozer specific logic such as index mapping and deep mapping for reading and writing field values. Only
intended for internal use.
core/src/main/java/com/github/dozermapper/core/propertydescriptor/GetterSetterPropertyDescriptor.java