import type { Quad, Literal, NamedNode } from '@rdfjs/types';
import type { Update, AskQuery, SelectQuery, ConstructQuery } from 'sparqljs';
export declare type SelectVariableQueryResult<T> = Record<keyof T, NamedNode | Literal>;
export interface QueryExecutor {
    /**
     * Executes a SPARQL select or construct query.
     */
    executeSparqlSelectAndGetData<TQuery extends SelectQuery | ConstructQuery, TReturn extends SelectVariableQueryResult<any> | Quad = TQuery extends SelectQuery ? SelectVariableQueryResult<any> : Quad>(query: TQuery): Promise<TReturn[]>;
    /**
     * Executes a raw SPARQL select query.
     */
    executeSparqlSelectAndGetDataRaw(query: string): Promise<SelectVariableQueryResult<any>[]>;
    /**
     * Executes a raw SPARQL construct query.
     */
    executeSparqlConstructAndGetDataRaw(query: string): Promise<Quad[]>;
    /**
     * Executes a SPARQL update query.
     */
    executeSparqlUpdate(query: Update): Promise<void>;
    /**
     * Executes a raw SPARQL update query.
     */
    executeRawSparqlUpdate(query: string): Promise<void>;
    /**
     * Executes a SPARQL ask query.
     */
    executeAskQueryAndGetResponse(query: AskQuery): Promise<boolean>;
    /**
     * Executes a SPARQL select query.
     */
    executeSelectCountAndGetResponse(query: SelectQuery): Promise<number>;
}
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