/**
 * Copyright (c) Microblink Ltd. All rights reserved.
 */
import { ApiType, Configuration, RequestPayload, ResponseHealthcheck, ResponseRecognition } from "./data-structures";
export declare class Client {
    private errorMessages;
    private service;
    /**
     * Create new instance of Client service.
     *
     * This class requires API type and optional configuration object.
     */
    constructor(type: ApiType, configuration?: Configuration);
    /**
     * Returns a promise which will resolve to `{ status: true }` if API service
     * is available.
     *
     * In case of error, promise will reject and property `details` with full
     * HTTP response will is added to object.
     *
     * Healthcheck endpoint can be configured with
     * `Configuration.healthcheckEndpoint` property. If omitted, default value
     * is used.
     */
    getHealthcheck(): Promise<ResponseHealthcheck>;
    /**
     * Extract data from image. First argument is API endpoint, while the second
     * one is body which is sent with the request.
     *
     * This method returns a promise which will always resolve/reject to
     * `ResponseRecognition` object.
     *
     * Promise will resolve only when data has been extracted successfuly, or
     * when no data has been extracted. In every other case promise will reject.
     *
     * For full list of endpoints and related payloads see official
     * documentation for Cloud API or Self-hosted API.
     *
     * @example
     * client.recognize( "/v2/recognizers/blinkid-single-side", { "imageSource": imageBase64 } )
     *        .then( ( result: ResponseRecognition ) => console.log( result.response.data.result ) )
     *        .catch( ( error: ResponseRecognition ) => console.log( error.error.message ) );
     */
    recognize(endpoint: string, payload: RequestPayload): Promise<ResponseRecognition>;
    /**
     * Get Base64 representation of an image based on provided instance of ImageData.
     */
    imageDataToBase64(imageData: ImageData): string;
}
export * from "./data-structures";