import { QuadSinkFile, type IQuadSinkFileOptions } from './QuadSinkFile';
export declare class QuadSinkHdt extends QuadSinkFile {
    private readonly generateIndexes;
    private readonly removeSourceFiles;
    private readonly conversionConcurrency;
    private readonly docker;
    private readonly filesToConvert;
    constructor(options: IQuadSinkHdtOptions);
    protected getFilePath(iri: string): string;
    /**
     * Runs the equivalent of `docker pull` for the rdf2hdt Docker image
     */
    protected pullDockerImage(): Promise<void>;
    /**
     * Runs the equivalent of `docker run` to convert `rdfFilePath` into a HDT file
     * @param rdfFilePath The path to the RDF file to convert
     */
    protected convertSingleFile(rdfFilePath: string): Promise<string>;
    /**
     * Converts all files stored in `filesToConvert` into HDT format using the Docker image,
     * with a maximum concurrency of `conversionConcurrency`
     */
    protected convertToHdt(): Promise<void>;
    protected attemptConversionLog(count: number): void;
    close(): Promise<void>;
}
export interface IQuadSinkHdtOptions extends IQuadSinkFileOptions {
    /**
     * Whether to generate indexes using rdf2hdt
     */
    generateIndexes?: boolean;
    /**
     * Whether to clean up the RDF files after HDT generation
     */
    removeSourceFiles?: boolean;
    /**
     * The level of parallelism in the conversion, which will affect the number of
     * concurrently running Docker containers performing the conversion
     */
    conversionConcurrency?: number;
}