public GroupExpressionStageDefinitions(
Expression <Func <TInput, TKey> > idExpression,
Expression <Func <IGrouping <TKey, TInput>, TOutput> > groupExpression)
{
_idExpression = Ensure.IsNotNull(idExpression, nameof(idExpression));
_groupExpression = Ensure.IsNotNull(groupExpression, nameof(groupExpression));
_groupStage = new GroupStageDefinition(idExpression, groupExpression);
_projectStage = new ProjectStageDefinition(_groupStage);
}
public ProjectStageDefinition(GroupStageDefinition groupStageDefinition)
{
_groupStageDefinition = groupStageDefinition;
}
