@Override
    public void negate() {
        byte[] data = value.getData();
        for (int i = 0; i < data.length; i++) {
            data[i] = (byte)-data[i];
        }
    }
Sets the value of this result.

@param value The value to set.
@return This, to allow chaining.
searchlib/src/main/java/com/yahoo/searchlib/expression/RawResultNode.java