https://cdk.github.io/cdk/1.5/docs/api/org/openscience/cdk/io/iterator/class-use/IteratingPCSubstancesXMLReader.html
Uses of Class org.openscience.cdk.io.iterator.IteratingPCSubstancesXMLReader (cdk 1.5.15 API)
https://lucene.apache.org/core/6_2_1/core/org/apache/lucene/util/packed/PackedLongValues.Iterator.html
PackedLongValues.Iterator (Lucene 6.2.1 API)
iteratorluceneapi