/// <reference types="node" />
import { Buffer } from 'buffer';
import { Transformers } from './transformer';
import { Abbreviations, Options, Settings, ValueOf } from './types';
export declare class ImgProxy extends Transformers {
    private options;
    private abbreviations;
    private transformers;
    constructor({ url, key, salt, autoreset }: Settings, options?: Options);
    setAutoreset(autoreset: boolean): this;
    setOption(option: keyof Options, value: ValueOf<Options>): this;
    private setOptions;
    setDefaultOptions(options: Options): this;
    resetDefaultOptions(): this;
    resetOptions(): this;
    resetOption(option: ValueOf<Abbreviations>): this;
    resize(val: Options['resize']): this;
    crop(val: Options['crop']): this;
    size(val: Options['size']): this;
    fallbackImageUrl(val: Options['fallback_image_url']): this;
    skipProcessing(val: Options['skip_processing']): this;
    expires(val: Options['expires']): this;
    extend(val: Options['extend']): this;
    trim(val: Options['trim']): this;
    adjust(val: Options['adjust']): this;
    maxSrcResolution(val: Options['max_src_resolution']): this;
    maxSrcFileSize(val: Options['max_src_file_size']): this;
    maxAnimationFrames(val: Options['max_animation_frames']): this;
    maxAnimationFramesResolution(val: Options['max_animation_frame_resolution']): this;
    resizingType(val: Options['resizing_type']): this;
    enforceThumbnail(val: Options['enforce_thumbnail']): this;
    formatQuality(val: Options['format_quality']): this;
    resizingAlgorithm(val: Options['resizing_algorithm']): this;
    width(width: Options['width']): this;
    height(height: Options['height']): this;
    minWidth(minWidth: Options['min_width']): this;
    minHeight(minHeight: Options['min_height']): this;
    dpr(val: Options['dpr']): this;
    dpi(val: Options['dpi']): this;
    gradient(val: Options['gradient']): this;
    maxBytes(val: Options['max_bytes']): this;
    padding(val: Options['padding']): this;
    enlarge(val: Options['enlarge']): this;
    pixelate(val: Options['pixelate']): this;
    gravity(val: Options['gravity']): this;
    quality(quality: Options['quality']): this;
    background(color: Options['background']): this;
    backgroundAlpha(val: Options['background_alpha']): this;
    blur(val: Options['blur']): this;
    blurDetections(val: Options['blur_detections']): this;
    unsharpMasking(val: Options['unsharp_masking']): this;
    drawDetections(val: Options['draw_detections']): this;
    raw(val: Options['raw']): this;
    returnAttachment(val: Options['return_attachment']): this;
    saturation(val: Options['saturation']): this;
    contrast(val: Options['contrast']): this;
    brightness(val: Options['brightness']): this;
    sharpen(val: Options['sharpen']): this;
    watermark(val: Options['watermark']): this;
    watermarkUrl(val: Options['watermark_url']): this;
    preset(val: Options['preset']): this;
    cacheBuster(val: Options['cachebuster']): this;
    format(val: Options['format']): this;
    filename(val: Options['filename']): this;
    rotate(val: Options['rotate']): this;
    autoRotate(val: Options['auto_rotate']): this;
    style(val: Options['style']): this;
    page(val: Options['page']): this;
    zoom(val: Options['zoom']): this;
    videoThumbnailSecond(val: Options['video_thumbnail_second']): this;
    webpOptions(val: Options['webp_options']): this;
    stripMetadata(val: Options['strip_metadata']): this;
    keepCopyright(val: Options['keep_copyright']): this;
    stripColorProfile(val: Options['strip_color_profile']): this;
    gifOptions(val: Options['gif_options']): this;
    pngOptions(val: Options['png_options']): this;
    private sign;
    static hexDecode(hex: string): Buffer;
    static urlSafeBase64(string: Buffer | string): string;
    get(originalImage: string): string;
}
export default ImgProxy;