/// <summary>
/// Visits a group template declaration.
/// </summary>
/// <param name="declaration">the group template declaration</param>
protected internal virtual void visitGroupTemplateDeclaration(GroupTemplate declaration)
{
}
/// <summary>
/// Creates a group declaration.
/// </summary>
/// <param name="identifier">the identifier</param>
/// <param name="template">the group template</param>
public Group(string identifier, GroupTemplate template)
{
this.identifier = identifier;
this.template = template;
}