| AttachmentValueDescriptor | 
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| ByteArrayResourceDescriptor | 
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| CombinedResourceDescriptor | 
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| CustomBackupData | 
 Model with the additional data for the JSON serialized form of a workflow version (in addition to the process model). 
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| DevResourceDescriptor | 
 Wraps a resource and serves it directly from the file system when dev mode is turned on. 
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| ElementHelpLocation | 
POJO implementation of  IElementHelpLocation with some additional static factory methods for convenience.  
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| ElementKey | 
 The key of a workflow element that uniquely identifies it within the context of a process. 
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| ElementPrototypeDescriptor<TData,TPayload extends IElementPrototypeData<TData>> | 
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| ElementPrototypeDescriptor.ElementPrototypeBuilder<TSelf,TData,TPayload extends IElementPrototypeData<TData>> | 
 Simple builder for configuring an element prototype. 
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| EmptyResourceDescriptor | 
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| EntityRef | 
Model class for referencing an entity either by  UUID or name  
 | 
| EntityReferenceDescriptor | 
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| ExtractSearchTermsParams<TData> | 
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| FileListDescriptor | 
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| FileListDescriptor.Builder | 
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| FileSearchOptions | 
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| FileSearchOptions.Builder | 
 A builder for file search options. 
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| FileValueDescriptor | 
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| FileValueDescriptor.Builder | 
 Builder for a file value descriptor. 
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| FileValueDescriptorIntersector | 
  | 
| FlowGraphConnectionType | 
 Constants with the bit flags for the different types of edges in a workflow node flow graph. 
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| FlowGraphFilters | 
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| FlowGraphFilters.EdgeTypeMatchesBuilder | 
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| GetAvailableAttachmentsParams | 
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| GetAvailableAttachmentsParams.Builder | 
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| GetAvailableResourcesParams | 
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| GetAvailableResourcesParams.Builder | 
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| GetDisplayLabelParams<TData> | 
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| GetFilterCriteriaForEntitiesParams | 
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| GraphAlgos | 
Deprecated.
 | 
| NodeKey | 
 The key of a workflow node that uniquely identifies it within the context of a process. 
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| NodePrototypeData<TData> | 
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| NodePrototypeDescriptor<TData> | 
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| NodePrototypeDescriptor.NodePrototypeBuilder<TData> | 
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| PathResourceDescriptor | 
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| PlaceholderProperty<Key,Location> | 
  | 
| PlaceholderReference<Location> | 
  | 
| ReadEntityRefsParams<TData> | 
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| ReadPlaceholdersParams<TData> | 
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| RetrieveElementPropsRetVal<TData> | 
  | 
| SearchTerm | 
 Simple POJO class for a search term with string key and a string value. 
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| Setting<TValue> | 
 Generic class for a setting - a level or placement that a knob or control is set to. 
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| Setting.Builder<TValue> | 
A builder for configuring the options of a  Setting.  
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| StateList | 
  | 
| SummaryKeyValueModelBuilder | 
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| SummaryKeyValuePair | 
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| SummaryKeyValueText | 
  | 
| SupplyDefaultServletResponsePostProcessor | 
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| SupplyDefaultWorkflowStatePostProcessor | 
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| SupplyingResourceDescriptor | 
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| TransformingResourceDescriptors | 
Factory for  IResourceDescriptor that delegate to another descriptor, but transform the resource content in
 some manner.  
 | 
| TreePreOrderIterable<TItem,TIdentifier> | 
 An iterable that iterates over a tree-like graph in pre-order, starting at a given node. 
 | 
| TriggerKey | 
 The key of a workflow trigger that uniquely identifies it within the context of a process. 
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| TriggerPrototypeData<TData> | 
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| TriggerPrototypeDescriptor<TData> | 
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| TriggerPrototypeDescriptor.TriggerPrototypeBuilder<TData> | 
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| UpdateModelParams | 
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| UrlResourceDescriptor | 
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| UuidEntityRef | 
 Models a reference to another entity via the UUID of that entity. 
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| WorkflowAttachmentValue | 
 | 
| WorkflowElementTypeProviding | 
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| WorkflowFileValue | 
Deprecated.
 | 
| WorkflowFileValueBuilder | 
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| WorkflowPrototypeConverter | 
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| WorkflowStateModel | 
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| WorkflowStateModel.Builder<T> | 
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| WorkflowValidationMessage | 
 | 
| WorkflowVersionStager | 
When persisting a  WorkflowProcess entity graph, keeps track of all workflow entities that need to be created,
 updated, and deleted.  
 | 
| WrappedResourceDescriptor | 
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| WriteEntityRefsParams<TData> | 
 | 
| WritePlaceholdersParams<TData> | 
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