[ObsoleteAttribute("Use System.Action instead")]
[EditorBrowsableAttribute(EditorBrowsableState.Never)]
public delegate void dSub<T1>(
	T1 arg1
)

<ObsoleteAttribute("Use System.Action instead")> _
<EditorBrowsableAttribute(EditorBrowsableState.Never)> _
Public Delegate Sub dSub(Of T1) ( _
	arg1 As T1 _
)

[ObsoleteAttribute(L"Use System.Action instead")]
[EditorBrowsableAttribute(EditorBrowsableState::Never)]
generic<typename T1>
public delegate void dSub(
	T1 arg1
)

J# supports the use of generic APIs, but not the declaration of new ones.

JScript does not support generic types or methods.