true when the variant may hold an opaque structure to resolve: only an ExtensionObject, or a
Variant nested in one, can. Any other value is left as it is by resolveDynamicExtensionObject,
so a Write of a number or a string needs neither a PseudoSession nor the DataType extraction.
true when the variant may hold an opaque structure to resolve: only an ExtensionObject, or a Variant nested in one, can. Any other value is left as it is by resolveDynamicExtensionObject, so a Write of a number or a string needs neither a PseudoSession nor the DataType extraction.