class org.apache.commons.collections.primitives.adapters.io.InputStreamByteIterator (implements org.apache.commons.collections.primitives.ByteIterator)
class java.io.Reader
class org.apache.commons.collections.primitives.adapters.io.CharIteratorReader
class org.apache.commons.collections.primitives.adapters.io.ReaderCharIterator (implements org.apache.commons.collections.primitives.CharIterator)