Describe your problem.

The element validation is not precise enough.
rules that are not included:

1. number of definitions for a value domain should be at least 1.
2. element urn should have the structure urn:namespaceIdentifier:elementType:elementIdentifier:elementRevision
3. additionalProperties should not be allowed.
4. status is required in every element identification
5. a dataElement should include either the valueDomainUrn or the valueDomain (but not both at the same time)
6. a valueDomain should include exactly one of "text", "datetime", "numeric"
7. a valueDomain of type "datatime" should accept only one of these combinations: ["date"] ["date", "time", "hourFormat"] ["time", "hourFormat"]
8. namespaceUrn is required for all elemnt types except NAMESPACE
9. identification/hideNamespace is not allowed for DATAELEMENT, DATAELEMENTGROUP, RECORD, DESCRIBED_VALUE_DOMAIN, ENUMERATED_VALUE_DOMAIN, PERMISSIBLE_VALUE

Describe the solution you'd like

Add the described rules.