@Override
    public DataType setOutputType(DataType outputType, TypeContext context) {
        return super.setOutputType(null, outputType, TensorDataType.any(), context);
    }
Creates a binarize expression.

@param threshold the value which the tensor cell value must be larger than to be set to 1 and not 0.
indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/BinarizeExpression.java