in src/main/java/com/epam/digital/data/platform/registry/regulation/validation/cli/validator/bpmn/BpmnFileInputsValidator.java [249:258]
static Set<String> getAttributeValuesFromActivity(Activity activity, Property property) {
var attributeName = property.getBinding().getName();
var namespaceAndName = attributeName.split(":");
var attributeValue = namespaceAndName.length == 1 ?
activity.getAttributeValue(attributeName) :
activity.getAttributeValueNs(CAMUNDA_NS, namespaceAndName[1]);
return Objects.isNull(attributeValue) ? Set.of() : Set.of(attributeValue);
}