| Interface | Description | 
|---|---|
| BooleanQueryResultParser | A general interface for boolean query result parsers. | 
| BooleanQueryResultParserFactory | Returns  BooleanQueryResultParsers for a specific boolean query result format. | 
| BooleanQueryResultWriter | The interface of objects that writer query results in a specific query result format. | 
| BooleanQueryResultWriterFactory | Returns  BooleanQueryResultWriters for a specific boolean query result format. | 
| QueryResultParser | Base interface for parsers of query results in both boolean and tuple forms. | 
| QueryResultWriter | The base interface for writers of query results sets and boolean results. | 
| TupleQueryResultParser | A general interface for tuple query result parsers. | 
| TupleQueryResultParserFactory | A TupleQueryResultParserFactory returns  TupleQueryResultParsers for a specific tuple query result format. | 
| TupleQueryResultWriter | The interface of objects that writer query results in a specific query result format. | 
| TupleQueryResultWriterFactory | Returns  TupleQueryResultWriters for a specific tuple query result format. | 
| Class | Description | 
|---|---|
| AbstractQueryResultIOBooleanTest | Abstract test for QueryResultIO. | 
| AbstractQueryResultIOTest | |
| AbstractQueryResultIOTupleTest | Abstract test for QueryResultIO. | 
| AbstractQueryResultParser | Base class for  QueryResultParsers offering common functionality for query result parsers. | 
| AbstractQueryResultWriter | Base class for  QueryResultWriters offering common functionality for query result writers. | 
| AbstractTupleQueryResultParser | Base class for  TupleQueryResultParsers offering common functionality for query result parsers. | 
| BasicQueryWriterSettings | RioSettingconstants to use withQueryResultWriters. | 
| BooleanQueryResultFormat | Represents the concept of a boolean query result serialization format. | 
| BooleanQueryResultParserRegistry | A registry that keeps track of the available  BooleanQueryResultParserFactorys. | 
| BooleanQueryResultWriterRegistry | A registry that keeps track of the available  BooleanQueryResultWriterFactorys. | 
| QueryResultFormat | The base class of all file formats that represent the results of queries. | 
| QueryResultIO | Class offering utility methods related to query results. | 
| QueryResultParserBase | Deprecated since 2.0. | 
| QueryResultWriterBase | Deprecated since 2.0. | 
| TupleQueryResultFormat | Represents the concept of an tuple query result serialization format. | 
| TupleQueryResultParserBase | Deprecated since 2.0. | 
| TupleQueryResultParserRegistry | A registry that keeps track of the available  TupleQueryResultParserFactorys. | 
| TupleQueryResultWriterRegistry | A registry that keeps track of the available  TupleQueryResultWriterFactorys. | 
| Exception | Description | 
|---|---|
| QueryResultParseException | A parse exception that can be thrown by a query result parser when it encounters an error from which it cannot or
 doesn't want to recover. | 
| UnsupportedQueryResultFormatException | A Runtime exception indicating that a specific query result format is not supported. | 
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