| IAccessProperty | 
 Interface for user-role and license-based access-properties 
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| IActiveFlagProviding | 
 Interface for types whose instances indicate whether they are active or not. 
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| IAttachableFile | 
 Interface for all workflow actions that attach files 
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| IConsuming | 
 Interface for all workflow actions that require files to perform their job. 
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| IEntityContext | 
Interface for the  IEntityContext which is required for database transactions.  
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| ILanguageTagProviding | 
Common interface for instances that can provide a  languageTag.  
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| IMapDiff<K,V> | 
Represents the different between two  Maps, i.e.  
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| IMapDiff.IModifiedValue<V> | 
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| INamedElement<T> | 
 Interface for a wrapper that provides a name for the named element. 
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| INamedUiElement | 
 Schnittstelle für benannte Elemente, die als Text angezeigt werden können. 
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| IProviding | 
 Interface for all workflow actions that create files when they are executed. 
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| IResourceBundleLocator | 
 Interface for locating resource bundle for a given locale. 
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| IResourceConsuming | 
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| ISemVerProviding | 
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| ISerializableSupplier<T> | 
 Represents a supplier of results that is also serializable. 
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| ISingleConsuming | 
Deprecated.
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| ISortKeyProviding<T extends Comparable<T>> | 
 Interface for types whose instances provide a custom sort key that should be used when sorting a list of instances. 
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| ISystemStatusChecker | 
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| IUpdateCustomParametersParams | 
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| IUploadConsuming | 
 Interface for all workflow actions that require upload files to perform their job. 
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| IUploadConsuming.uploadElements | 
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| IVirtualEntity | 
 mark-up-interface for virtual entities 
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