Microsoft.Extensions.FileProviders.NullChangeToken

public sealed class NullChangeToken : IChangeToken

An empty change token that doesn't raise any change callbacks.

public static NullChangeToken Singleton { get; }

Gets a singleton instance of NullChangeToken.

public bool ActiveChangeCallbacks { get; }

Gets a value that's always false.

public bool HasChanged { get; }

Gets a value that's always false.

public IDisposable RegisterChangeCallback(Action<object> callback, object state)

Always returns an empty disposable object. Callbacks will never be called.