public boolean tryRegisterDocumentInheritance(String childURI, String parentURI) {
        return documentInheritanceGraph.addInherits(childURI, parentURI);
    }
Tries to register document inheritance between a child document and a parent document.

@param childURI  the URI of the child document
@param parentURI the URI of the parent document
@return true if the document inheritance was successfully registered, false otherwise
integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/index/SchemaIndex.java