import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ApiVisa } from '../shared';
import { BaseApiTemplateService } from '../shared/base-api-template-service.model';
export declare class OCRRetrieveFileService extends BaseApiTemplateService<any> {
    readonly url: string;
    constructor(http: HttpClient);
    getFile(extGuid: string, visa: ApiVisa): Observable<Blob>;
}