| Interface | Description | 
|---|---|
| Field | 
 This interface represents a Field in the search paradigm. 
 | 
| IndexingFieldSearchCriterion | 
SearchCriterion searching on an indexing field. | 
| MetadataResultField | 
ResultField returning a content metadata. | 
| ResultField | 
 Represents a Field to be returned by a search. 
 | 
| SearchCriterion | 
 Represents a Field that can be searched on. 
 | 
| SearchModel | 
 This interface represents a search model. 
 | 
| SystemProperty | 
 Represents a universal property of a  
Content (content types, language, current workflow step, ...) | 
| SystemResultField | 
ResultField returning a content "system" property. | 
| SystemSearchCriterion | 
SearchCriterion searching on a content "system" property. | 
| Class | Description | 
|---|---|
| DefaultSearchModel | 
 Default implementation of a  
SearchModel. | 
| SystemProperty.EnumeratorDefinition | 
 Representation of an Enumerator, used to generate an Enumerator on the fly. 
 | 
| SystemPropertyExtensionPoint | 
 Extension point handling  
SystemProperty objects. |