package org.qcri.rheem.core.function;
import org.qcri.rheem.core.optimizer.ProbabilisticDoubleInterval;
<BUG>import org.qcri.rheem.core.optimizer.costs.LoadEstimator;</BUG>
import org.qcri.rheem.core.optimizer.costs.LoadProfileEstimator;
<BUG>import org.qcri.rheem.core.optimizer.costs.NestableLoadProfileEstimator;</BUG>
import java.io.Serializable;
import java.util.Optional;

package org.qcri.rheem.core.function;
import org.qcri.rheem.core.optimizer.ProbabilisticDoubleInterval;
import org.qcri.rheem.core.optimizer.costs.LoadProfileEstimator;
import java.io.Serializable;
import java.util.Optional;
