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scope="col">Description</th> </tr> <tbody> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/AbstractDataInput.html" title="class in org.apache.cassandra.io.util">AbstractDataInput</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/AbstractDataOutput.html" title="class in org.apache.cassandra.io.util">AbstractDataOutput</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/BufferedPoolingSegmentedFile.html" title="class in org.apache.cassandra.io.util">BufferedPoolingSegmentedFile</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/BufferedPoolingSegmentedFile.Builder.html" title="class in org.apache.cassandra.io.util">BufferedPoolingSegmentedFile.Builder</a></td> <td 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class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataIntegrityMetadata.ChecksumValidator.html" title="class in org.apache.cassandra.io.util">DataIntegrityMetadata.ChecksumValidator</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataIntegrityMetadata.ChecksumWriter.html" title="class in org.apache.cassandra.io.util">DataIntegrityMetadata.ChecksumWriter</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataOutputBuffer.html" title="class in org.apache.cassandra.io.util">DataOutputBuffer</a></td> <td class="colLast"> <div class="block">An implementation of the DataOutputStream interface using a FastByteArrayOutputStream and exposing its buffer so copies can be avoided.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataOutputByteBuffer.html" title="class in org.apache.cassandra.io.util">DataOutputByteBuffer</a></td> <td class="colLast"> <div class="block">An implementation of the DataOutputStream interface using a FastByteArrayOutputStream and exposing its buffer so copies can be avoided.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataOutputStreamAndChannel.html" title="class in org.apache.cassandra.io.util">DataOutputStreamAndChannel</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/DataOutputStreamPlus.html" title="class in org.apache.cassandra.io.util">DataOutputStreamPlus</a></td> <td class="colLast"> <div class="block">When possible use <a href="../../../../../org/apache/cassandra/io/util/DataOutputStreamAndChannel.html" title="class in 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href="../../../../../org/apache/cassandra/io/util/MappedFileDataInput.html" title="class in org.apache.cassandra.io.util">MappedFileDataInput</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/Memory.html" title="class in org.apache.cassandra.io.util">Memory</a></td> <td class="colLast"> <div class="block">An off-heap region of memory that must be manually free'd when no longer needed.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/MemoryInputStream.html" title="class in org.apache.cassandra.io.util">MemoryInputStream</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/util/MemoryOutputStream.html" title="class in org.apache.cassandra.io.util">MemoryOutputStream</a></td> <td class="colLast"> <div class="block">This class provides a way to stream the 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