import { ExtractInfoResultImage } from '../image/imageInfo';
import { IFile, Rgba, Size } from '../types';
/**
 * Default File implementation with utilities for creating from file system or urls.
 *
 * Also instances have utilities to cache and get image information like size, mimeType, image comparison,
 * interacting with HTML DOM, etc.
 */
export declare class File implements IFile {
    readonly name: string;
    readonly content: IFile['content'];
    readonly url?: string;
    /**
     * Stores size for those image formats that don't store size information such as RGBA
     */
    width?: number;
    /**
     * Stores size for those image formats that don't store size information such as RGBA
     */
    height?: number;
    protected _info: ExtractInfoResultImage[] | undefined;
    protected _pixels?: Rgba[];
    constructor(name: string, content: IFile['content'], isProtected?: boolean, url?: string, width?: number, height?: number);
    /**
     * Same as [info] but returning only the first image's data.
     */
    infoOne(): Promise<ExtractInfoResultImage>;
    /**
     * Get image information, like geometry, important numbers, mimeType, etc.
     * The first time it calls `identify` command, but then it will cache ths value.
     */
    info(): Promise<ExtractInfoResultImage[]>;
    size(): Promise<Size>;
    widthXHeight(): Promise<string>;
    mimeType(): Promise<string>;
    pixel(x: number, y: number): Promise<string | undefined>;
    rgba(x: number, y: number): Promise<Rgba | undefined>;
    /**
     * it will compute all pixel colors so following [pixel] and [rgba] calls will be fast
     */
    pixelCalculate(): Promise<void>;
    /**
   * Creates a DataUrl like `data:image/png;name=f.png;base64,` using given base64 content, mimeType and fileName.
   */
    asDataUrl(mime?: string): Promise<string>;
    /**
     * Returns base64 representation of this image in an encoded format like PNG
     */
    asBase64(file: File): string;
    /**
     * Returns base64 representation of this image in an encoded format like PNG
     */
    equals(file?: File): Promise<boolean>;
    /**
    * Returns base64 representation of this image in an encoded format like PNG
    */
    asArrayBuffer(): Promise<ArrayBuffer | SharedArrayBuffer>;
    static equals: ((a: string | IFile, b: string | IFile) => boolean);
    asHTMLImageData(): Promise<ImageData>;
    asRGBAImageData(): Promise<RGBAImageData>;
    sizeDepthArgs(onlyIfRGBA?: boolean): Promise<string>;
    static getSizeDepthArgs(f: File, onlyIfRGBA?: boolean): Promise<string>;
    /**
   * Creates a DataUrl like `data:image/png;name=f.png;base64,` using given base64 content, mimeType and fileName.
    */
    static toDataUrl(file: File, mime?: string): Promise<string>;
    /**
     * Creates a File from given url. In Node.js urls must be absolute!.
     */
    static fromUrl(url: string, o?: RequestInit & ResolveOptions): Promise<File | undefined>;
    /**
     * Creates a File from given ArrayBuffer.
     */
    static fromArrayBuffer(b: ArrayBuffer, o?: ResolveOptions): Promise<File>;
    /**
     * Creates a File from given file system path. Only Node.js.
     */
    static fromFile(f: string, o?: ResolveOptions): File | undefined;
    /**
     * Returns the file content as plain string. This is useful to read the content of a .json or .txt file
     * but not for images or other binary file content.
     */
    static asString(f: IFile): string;
    /**
     * Returns base64 representation of this image in an encoded format like PNG
     */
    static toBase64(file: File): string;
    /**
     * Loads file from given base64 string.
    */
    static fromBase64(base64: string, name: string): File;
    /**
     * Loads file from given data url string.
    */
    static fromDataUrl(dataUrl: string, name: string): File;
    /**
     * Loads files from files in html input element of type "file".
     */
    static fromHtmlFileInputElement(el: HTMLInputElement): Promise<Array<File>>;
    /**
     * Shortcut for [resolve] that returns the first result.
     */
    static resolveOne(files: string | IFile | undefined | (string | IFile | undefined)[], options?: ResolveOptions): Promise<File | undefined>;
    /**
     * Given paths, urls or files it will try to load them all and return a list of File for those succeed.
     */
    static resolve(files: string | IFile | undefined | (string | IFile | undefined)[], options?: ResolveOptions): Promise<File[]>;
    static isFile(f: any): f is File;
    static asFile(f: string | IFile): File;
    static asPath(f: string | IFile): string;
    static fromRGBAImageData(d: RGBAImageData, name?: string): File;
    static fromHTMLImageData(d: ImageData, name?: string): File;
    static fileExists(f: string | IFile): Promise<boolean>;
}
export interface ResolveOptions {
    protected?: boolean;
    name?: string;
}
interface RGBAImageData {
    width: number;
    height: number;
    data: Uint8ClampedArray;
}
export {};