import { CueAuth } from './auth';
export declare const ENDPOINT_EXTRACTION = "/semantic-extraction/extract";
export interface ExtractionRequest {
    /** PNG (or other image) blob of the document page to extract from. */
    image: Blob;
    /** SemanticTemplate JSON object. */
    template: object;
    /** Project / space ID used by the extraction service. */
    projectId: string;
    /** IRI of the pre-selected content category; omit to let the model classify. */
    category?: string | null;
    /** Plain text of the page, used as additional context. */
    text?: string | null;
    /** Desired RDF serialisation — defaults to `'json-ld'`. */
    rdfFormat?: 'json-ld' | 'turtle' | 'ntriples' | 'xml';
}
export interface ExtractionResponse {
    /** Parsed JSON-LD document ready for `cue-rdf-graph`. */
    jsonld: object;
}
/**
 * Client for the Cue semantic-extraction endpoint.
 *
 * Exposed as `cue.api.extraction`.
 *
 * @example
 * ```ts
 * const result = await cue.api.extraction.extract({
 *   image: pngBlob,
 *   template: myTemplate,
 *   projectId: 'my-project',
 * });
 * // result.jsonld is a JSON-LD document for cue-rdf-graph
 * ```
 */
export declare class CueExtraction {
    private readonly _auth;
    private readonly _gatewayUrl;
    constructor(_auth: CueAuth, _gatewayUrl: string);
    /**
     * Run semantic extraction on a document page image.
     *
     * Sends a multipart/form-data POST to `/semantic-extraction/extract`.
     * Always requests JSON-LD so the result can be displayed directly in
     * `cue-rdf-graph` without any further parsing.
     */
    extract(request: ExtractionRequest): Promise<ExtractionResponse>;
}