public String toFullString() {
        StringBuilder b = new StringBuilder();
        for (var input : operations.entrySet())
            b.append(input.getKey()).append(": ").append(input.getValue().toFullString()).append("\n");
        return b.toString();
    }
Find dimension names to avoid excessive renaming while evaluating the model.
model-integration/src/main/java/ai/vespa/rankingexpression/importer/IntermediateGraph.java