$singleton public write-only property Class name, interface

has() public method Returns a value indicating whether

mergeParams() protected method Merges the user-specified

setSingleton() public method Registers a class definition

__construct() protected method Constructor.

__construct() public method

get() public method Returns an instance of the requested

$id public property The component ID, class name, interface name

normalizeDefinition() protected method Normalizes the

setComponents() public method Registers a set of component