private Map<String, RankingExpression> readLargeExpressions(RankingExpressionsConfig expressionsConfig) throws ParseException {
        Map<String, RankingExpression> expressions = new HashMap<>();

        for (RankingExpressionsConfig.Expression expression : expressionsConfig.expression()) {
            expressions.put(expression.name(), readExpressionFromFile(expression.name(), expression.fileref()));
        }
        return expressions;
    }
Returns a map of the models contained in this config, indexed on name.
The map is modifiable and owned by the caller.
model-evaluation/src/main/java/ai/vespa/models/evaluation/RankProfilesConfigImporter.java