import { BaseHook, NickProcessArtfact } from '@mrp-brasil/nick-process-commons';
import { Observable } from 'rxjs';
export declare class FileHook extends BaseHook {
    base64ToBuffer(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
    bufferToBase64(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
    downloadFile(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
    convertHeicToJpeg(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
    jsonToBuffer(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
    stringToBuffer(inputArtifact: NickProcessArtfact): Observable<NickProcessArtfact>;
}
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