public boolean tryRegisterDocumentSummaryInheritance(Symbol childSymbol, Symbol parentSymbol) {
        return documentSummaryInheritanceGraph.addInherits(childSymbol, parentSymbol);
    }
Tries to register the inheritance relationship between a child document-summary and a parent document-summary.

@param childSymbol The symbol representing the child document-summary.
@param parentSymbol The symbol representing the parent document-summary.
@return true if the inheritance relationship was successfully registered, false otherwise.
integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/index/SchemaIndex.java