public String getTypeName() {
        return getType().toString();
    }
This abstract class is used to wrap a Psi Element with SdNamedElement interface, which enables the element to be a
"name owner" (like an identifier). It allows the element to take a part in references, find usages and more.

@author Shahar Ariel
integration/intellij/src/main/java/ai/vespa/intellij/schema/psi/impl/SdNamedElementImpl.java