StorageExtensionsFromJsonT - метод

public static T FromJson<T>(
	this T obj,
	string text
)
where T : class, ISerializableObject

<ExtensionAttribute>
Public Shared Function FromJson(Of T As {Class, ISerializableObject}) ( 
	obj As T,
	text As String
) As T

public:
[ExtensionAttribute]
generic<typename T>
where T : ref class, ISerializableObject
static T FromJson(
	T obj, 
	String^ text
)

[<ExtensionAttribute>]
static member FromJson : 
        obj : 'T * 
        text : string -> 'T  when 'T : not struct and ISerializableObject