}
if (definition.hasProperty(DECLARING_NODE_TYPES)) {
this.typePredicate = new TypePredicate(
root, definition.getNames(DECLARING_NODE_TYPES));
} else {
<BUG>this.typePredicate = NodeState.EXISTS;
}</BUG>
if (definition.getBoolean(IndexConstants.UNIQUE_PROPERTY_NAME)) {
<BUG>unique = true;</BUG>
this.keysToCheckForUniqueness = newHashSet();
} else {
<BUG>unique = false;</BUG>
this.keysToCheckForUniqueness = null;

}
if (definition.hasProperty(DECLARING_NODE_TYPES)) {
this.typePredicate = new TypePredicate(
root, definition.getNames(DECLARING_NODE_TYPES));
