@Override
    public DataType setOutputType(DataType outputType, TypeContext context) {
        super.setOutputType(null, outputType, TensorDataType.any(), context);
        var inputType = getInputType(context); // Cannot be determined from output
        validateInputAndOutput(inputType, outputType);
        return inputType;
    }
@return the requested embedder id. This will diverge from the selected embedder's id when executed in config-model
indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/EmbedExpression.java