public PsiReference getReference() {
        return new SdReference(this, new TextRange(0, getNode().getText().length()));
    }
This class is used for methods' implementations for SdIdentifier. The abstract class SdIdentifierMixin extents it.

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