public QueryContext cloneFor(Query cloneOwner) {
        try {
            QueryContext clone=(QueryContext)super.clone();
            clone.owner=cloneOwner;
            return clone;
        }
        catch (CloneNotSupportedException e) {
            throw new RuntimeException(e);
        }
    }
Returns a short string description of this (includes the first few messages only, and no newlines)
container-search/src/main/java/com/yahoo/search/query/context/QueryContext.java