private static void findBuiltInTensorFunction(RankNode node) {

        if (node.getType() == RankNodeType.BUILT_IN_FUNCTION) {
            Symbol symbol = node.getSymbol();
            symbol.setType(SymbolType.FUNCTION);
            symbol.setStatus(SymbolStatus.BUILTIN_REFERENCE);
        }
    }
Resolves rank expression references in the tree

@param node        The schema node to resolve the rank expression references in.
@param context     The parse context.
integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/schemadocument/resolvers/RankExpressionSymbolResolver.java