interface  | 
IAnalysisItem | 
 For HP use. 
 | 
interface  | 
IAnalysisItemFolder | 
 For HP use. 
 | 
interface  | 
IAssetRelation | 
 Represents a directed relation between two assets. 
 | 
interface  | 
IAssetRepositoryItem | 
 Represents a folder or an asset file stored in the repository. 
 | 
interface  | 
IAttachment | 
 Represents a single file or Internet address attached to a field object. 
 | 
interface  | 
IAuditProperty | 
 Represents a property associated with an AuditRecord. 
 | 
interface  | 
IAuditRecord | 
 A data change that is tracked. 
 | 
interface  | 
IBaseField | 
 Represents a basic data field or entity, such as an attachment. 
 | 
interface  | 
IBaseFieldEx | 
 Represents a basic data field or entity, such as an attachment. 
 | 
interface  | 
IBaseFieldExMail | 
 Services to support mailing factory items. 
 | 
interface  | 
IBaseline | 
 For HP use. 
 | 
interface  | 
IBaselineRoot | 
 For HP use. 
 | 
interface  | 
IBaseParam | 
 A business component parameter or runtime parameter. 
 | 
interface  | 
IBPComponent | 
 An instance of a Component in a Business Process. 
 | 
interface  | 
IBPIteration | 
 The design-time definition of a business component iteration. 
 | 
interface  | 
IBPIterationParam | 
 An instance of a business component parameter that belongs to a single iteration. 
 | 
interface  | 
IBPParam | 
 An instance of a Component Parameter in a business component. 
 | 
interface  | 
IBPStepParam | 
 A step parameter for a manual run of the business process test. 
 | 
interface  | 
IBug | 
 Represents a defect. 
 | 
interface  | 
IBusinessProcess | 
 Represents a single Business Process Test. 
 | 
interface  | 
IBusinessProcess2 | 
 Represents a single Business Process Test. 
 | 
interface  | 
IBusinessProcess3 | 
 Represents a single Business Process Test. 
 | 
interface  | 
IChange | 
 Obsolete. 
 | 
interface  | 
IChangeEntry | 
 Obsolete. 
 | 
interface  | 
IComparison | 
 For HP use. 
 | 
interface  | 
IComparisonNode | 
 For HP use. 
 | 
interface  | 
IComponent | 
 Represents a business component. 
 | 
interface  | 
IComponent2 | 
 Represents a single Business Process Component. 
 | 
interface  | 
IComponent3 | 
 Represents a single Business Process Component. 
 | 
interface  | 
IComponentFolder | 
 Represents a business component folder. 
 | 
interface  | 
IComponentParam | 
 Services for managing Business Process Test parameters. 
 | 
interface  | 
IComponentStep | 
 Represents a step in a business process test. 
 | 
interface  | 
ICoverageEntity | 
 Represents the association between a requirement and another entity that covers it. 
 | 
interface  | 
ICustomization | 
 Services to perform customization tasks, such as adding users to user groups, defining user-defined fields, and defining user access privileges. 
 | 
interface  | 
ICustomization2 | 
 Services to perform customization tasks, such as adding users to user groups, defining user-defined fields, and defining user access privileges. 
 | 
interface  | 
ICustomization3 | 
 Customization services, such as adding users to user groups, maintaining user-defined fields, configuring user access privileges. 
 | 
interface  | 
ICycle | 
 Represents a Cycle. 
 | 
interface  | 
IDashboardFolder | 
 For HP use. 
 | 
interface  | 
IDashboardPage | 
 For HP use. 
 | 
interface  | 
IDashboardPageItem | 
 For HP use. 
 | 
interface  | 
IDesignStep | 
 Represents a single design step in a test. 
 | 
interface  | 
IFavorite | 
 For HP use. 
 | 
interface  | 
IFavoriteFolder | 
 For HP use. 
 | 
interface  | 
IHost | 
 Represents a single host server. 
 | 
interface  | 
IHostGroup | 
 Services for managing a group of host servers. 
 | 
interface  | 
ILibrary | 
 For HP use. 
 | 
interface  | 
ILibraryFolder | 
 For HP use. 
 | 
interface  | 
ILibraryPart | 
 For HP use. 
 | 
interface  | 
ILink | 
 Represents an association between a Bug and another entity. 
 | 
interface  | 
IParameterValue | 
 Represents a test parameter value entity. 
 | 
interface  | 
IQCResource | 
 Represents a file or folder stored in the Quality Center repository. 
 | 
interface  | 
IQCResourceFolder | 
 Represents a QC resource folder. 
 | 
interface  | 
IRelease | 
 Represents a Release. 
 | 
interface  | 
IReleaseFolder | 
 Represents a Release Folder. 
 | 
interface  | 
IReq | 
 Represents a requirement for which testing must be performed. 
 | 
interface  | 
IReq2 | 
 Represents a requirement for which testing must be performed. 
 | 
interface  | 
IRTParam | 
 A Business Process Test runtime parameter. 
 | 
interface  | 
IRun | 
 Represents a test run. 
 | 
interface  | 
IRun2 | 
 Represents a test run. 
 | 
interface  | 
IStep | 
 Represents a test step in a test run. 
 | 
interface  | 
IStep2 | 
 Represents a test step in a test run. 
 | 
interface  | 
ITask | 
 An asynchronous action. 
 | 
interface  | 
ITaskLog | 
 An entry in the log of an asynchronous action. 
 | 
interface  | 
ITDMailConditions | 
 Services for managing automatic mail notifications. 
 | 
interface  | 
ITest | 
 Represents a planning test. 
 | 
interface  | 
ITestParameter | 
 A parameter for a manual test. 
 | 
interface  | 
ITestSet | 
 Represents a series of tests to be run as a group to meet a specific testing goal. 
 | 
interface  | 
ITrace | 
 Represents a traceability association between two requirements. 
 | 
interface  | 
ITSTest | 
 Represents a test instance, or execution test, in a test set. 
 | 
interface  | 
ITSTest2 | 
 Represents a test instance, or execution test, in a test set. 
 | 
interface  | 
ITSTest3 | 
 Represents a test instance, or execution test, in a test set. 
 | 
interface  | 
IUserAsset | 
 Represents any entity known to the testing tool that is not otherwise represented in Quality Center. 
 |