TruncateT Class

public abstract class Truncate<T> : GrafanaFunctionBase<T>
where T : struct, new(), IDataSourceValueType<T>

Public MustInherit Class Truncate(Of T As {Structure, New, IDataSourceValueType(Of T)})
	Inherits GrafanaFunctionBase(Of T)

generic<typename T>
where T : value class, gcnew(), IDataSourceValueType<T>
public ref class Truncate abstract : public GrafanaFunctionBase<T>

[<AbstractClassAttribute>]
type Truncate<'T when 'T : struct, new() and IDataSourceValueType<'T>> = 
    class
        inherit GrafanaFunctionBase<'T>
    end

JavaScript does not support generic types or methods.