public void remove() {
                for (int i=startIndex+length-1; i>=startIndex; i--)
                    owner.removeItem(i);
            }
The word to replace by at the given index, or null if none of the phrase words should be replaced
This is either null, or of length <code>length</code>, with null values where nothing should be replaced
container-search/src/main/java/com/yahoo/prelude/querytransform/PhraseMatcher.java