public sealed class ImmutableTreeMap<TKey, TValue> : ImmutableAvlTreeBase<TKey, TValue>, 
	IImmutableMap<TKey, TValue>
where TKey : Object, IComparable<TKey>

Public NotInheritable Class ImmutableTreeMap(Of TKey As {Object, IComparable(Of TKey)}, TValue)
	Inherits ImmutableAvlTreeBase(Of TKey, TValue)
	Implements IImmutableMap(Of TKey, TValue)

generic<typename TKey, typename TValue>
where TKey : Object, IComparable<TKey>
public ref class ImmutableTreeMap sealed : public ImmutableAvlTreeBase<TKey, TValue>, 
	IImmutableMap<TKey, TValue>

[<SealedAttribute>]
type ImmutableTreeMap<'TKey, 'TValue when 'TKey : Object and IComparable<'TKey>> =  
    class
        inherit ImmutableAvlTreeBase<'TKey, 'TValue>
        interface IImmutableMap<'TKey, 'TValue>
    end