Gets a named options instance,or adds a new instance created with<paramref name="createOptions"/>./</summary>/<param name="name">The name of the options instance.</param>/<param name="createOptions">The func used to...
Constructor./</summary>/<param name="factory">The factory to use to create options.</param>/<param name="sources">The sources used to listen for changes to the options instance.</param>/<param name="cache">The cache...
