org.eclipse.update.operations
Interfaces 
IBatchOperation
IConfigFeatureOperation
IFeatureOperation
IInstallFeatureOperation
IOperation
IOperationFactory
IOperationListener
IOperationValidator
IReplaceFeatureVersionOperation
IRevertConfigurationOperation
IToggleSiteOperation
IUnconfigFeatureOperation
IUninstallFeatureOperation
IUpdateModelChangedListener
Classes 
OperationsManager