/// <summary>
/// Registers the specified value.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="value">The value.</param>
public void Add <TKey, TValue>(TValue value) where TValue : ILinkable <TKey>
{
Linker <TKey, TValue> linker = this.GetLinker <TKey, TValue>();
linker.Add(value);
}
