cala.Tuple2&lt;<a href="../../../matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,&#8203;<a href="../../../matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&gt;&nbsp;kv)</code></th>
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