| Interface | Description | 
|---|---|
| AnalysisRequestHandlerBase.TokenTrackingAttribute | This is an  Attributeused to track the positions of tokens
 in the analysis chain. | 
| NestedRequestHandler | An interface for RequestHandlers need to handle all paths under its registered path | 
| Class | Description | 
|---|---|
| AnalysisRequestHandlerBase | A base class for all analysis request handlers. | 
| AnalysisRequestHandlerBase.AnalysisContext | Serves as the context of an analysis process. | 
| AnalysisRequestHandlerBase.ListBasedTokenStream | TokenStream that iterates over a list of pre-existing Tokens | 
| AnalysisRequestHandlerBase.TokenTrackingAttributeImpl | Implementation of  AnalysisRequestHandlerBase.TokenTrackingAttribute. | 
| BlobHandler | |
| ContentStreamHandlerBase | Shares common code between various handlers that manipulate 
  ContentStreamobjects. | 
| ContentStreamLoader | Load a  ContentStreaminto Solr | 
| DocumentAnalysisRequestHandler | An analysis handler that provides a breakdown of the analysis process of provided documents. | 
| DumpRequestHandler | |
| FieldAnalysisRequestHandler | Provides the ability to specify multiple field types and field names in the same request. | 
| IndexFetcher |  Provides functionality of downloading changed index files as well as config files and a timer for scheduling fetches from the
 master. | 
| IndexFetcher.CompareResult | |
| MoreLikeThisHandler | Solr MoreLikeThis --
 
 Return similar documents either based on a single document or based on posted text. | 
| MoreLikeThisHandler.InterestingTerm | |
| MoreLikeThisHandler.MoreLikeThisHelper | Helper class for MoreLikeThis that can be called from other request handlers | 
| NotFoundRequestHandler | Does nothing other than showing a 404 message | 
| PingRequestHandler | Ping Request Handler for reporting SolrCore health to a Load Balancer. | 
| RealTimeGetHandler | |
| ReplicationHandler |  A Handler which provides a REST API for replication and serves replication requests from Slaves. | 
| RequestHandlerBase | |
| RequestHandlerUtils | Common helper functions for RequestHandlers | 
| RestoreCore | |
| SchemaHandler | |
| SnapShooter |  Provides functionality equivalent to the snapshooter script | 
| SolrConfigHandler | |
| StandardRequestHandler | All of the following options may be configured for this handler
 in the solrconfig as defaults, and may be overriden as request parameters. | 
| StreamHandler | |
| UpdateRequestHandler | UpdateHandler that uses content-type to pick the right Loader | 
| Enum | Description | 
|---|---|
| PingRequestHandler.ACTIONS | 
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