/// <summary>
/// Unregisters an annotation schema with the registry.
/// </summary>
/// <param name="schema">The annotation schema to unregister.</param>
public void Unregister(AnnotationSchema schema)
{
this.internalSchemas.Remove(schema);
}
/// <summary>
/// Registers an annotation schema with the registry.
/// </summary>
/// <param name="schema">The annotation schema to register.</param>
public void Register(AnnotationSchema schema)
{
this.internalSchemas.Add(schema);
}