public AggregationDescriptor(Class<InputType> inputTypeClass, Class<OutputType> outputTypeClass) {
this(inputTypeClass,
outputTypeClass,</BUG>
LoadEstimator.createFallback(1, 1),
<BUG>LoadEstimator.createFallback(1, 1));
}</BUG>
public AggregationDescriptor(Class<InputType> inputTypeClass,
<BUG>Class<OutputType> outputTypeClass,
LoadEstimator cpuLoadEstimator,
LoadEstimator memoryLoadEstimator) {</BUG>
this(DataUnitType.createGrouped(inputTypeClass),

public AggregationDescriptor(Class<InputType> inputTypeClass, Class<OutputType> outputTypeClass) {
this(inputTypeClass, outputTypeClass, new NestableLoadProfileEstimator(
LoadEstimator.createFallback(1, 1),
LoadEstimator.createFallback(1, 1)
));
}
public AggregationDescriptor(Class<InputType> inputTypeClass,
Class<OutputType> outputTypeClass,
LoadProfileEstimator loadProfileEstimator) {
