ReduceTaskTKey, TValue, TOutput Class

public abstract class ReduceTask<TKey, TValue, TOutput> : Configurable, 
	ITask<Pair<TKey, TValue>, TOutput>
where TKey : Object, IComparable<TKey>

Public MustInherit Class ReduceTask(Of TKey As {Object, IComparable(Of TKey)}, TValue, TOutput)
	Inherits Configurable
	Implements ITask(Of Pair(Of TKey, TValue), TOutput)

generic<typename TKey, typename TValue, typename TOutput>
where TKey : Object, IComparable<TKey>
public ref class ReduceTask abstract : public Configurable, 
	ITask<Pair<TKey, TValue>^, TOutput>

[<AbstractClassAttribute>]
type ReduceTask<'TKey, 'TValue, 'TOutput when 'TKey : Object and IComparable<'TKey>> = 
    class
        inherit Configurable
        interface ITask<Pair<'TKey, 'TValue>, 'TOutput>
    end