export class RawImage {
    /**
     * Helper method for reading an image from a variety of input types.
     * @param {RawImage|string|URL} input
     * @returns The image object.
     *
     * **Example:** Read image from a URL.
     * ```javascript
     * let image = await RawImage.read('https://huggingface.co/datasets/Xenova/transformers.js-docs/resolve/main/football-match.jpg');
     * // RawImage {
     * //   "data": Uint8ClampedArray [ 25, 25, 25, 19, 19, 19, ... ],
     * //   "width": 800,
     * //   "height": 533,
     * //   "channels": 3
     * // }
     * ```
     */
    static read(input: RawImage | string | URL): Promise<RawImage>;
    /**
     * Read an image from a URL or file path.
     * @param {string|URL} url The URL or file path to read the image from.
     * @returns {Promise<RawImage>} The image object.
     */
    static fromURL(url: string | URL): Promise<RawImage>;
    /**
     * Helper method to create a new Image from a blob.
     * @param {Blob} blob The blob to read the image from.
     * @returns {Promise<RawImage>} The image object.
     */
    static fromBlob(blob: Blob): Promise<RawImage>;
    /**
     * Helper method to create a new Image from a tensor
     * @param {import('./tensor.js').Tensor} tensor
     */
    static fromTensor(tensor: import('./tensor.js').Tensor, channel_format?: string): RawImage;
    /**
     * Create a new `RawImage` object.
     * @param {Uint8ClampedArray|Uint8Array} data The pixel data.
     * @param {number} width The width of the image.
     * @param {number} height The height of the image.
     * @param {1|2|3|4} channels The number of channels.
     */
    constructor(data: Uint8ClampedArray | Uint8Array, width: number, height: number, channels: 1 | 2 | 3 | 4);
    data: Uint8Array | Uint8ClampedArray;
    width: number;
    height: number;
    channels: 2 | 1 | 3 | 4;
    get size(): number[];
    /**
     * Convert the image to grayscale format.
     * @returns {RawImage} `this` to support chaining.
     */
    grayscale(): RawImage;
    /**
     * Convert the image to RGB format.
     * @returns {RawImage} `this` to support chaining.
     */
    rgb(): RawImage;
    /**
     * Convert the image to RGBA format.
     * @returns {RawImage} `this` to support chaining.
     */
    rgba(): RawImage;
    /**
     * Resize the image to the given dimensions. This method uses the canvas API to perform the resizing.
     * @param {number} width The width of the new image.
     * @param {number} height The height of the new image.
     * @param {Object} options Additional options for resizing.
     * @param {0|1|2|3|4|5|string} [options.resample] The resampling method to use.
     * @returns {Promise<RawImage>} `this` to support chaining.
     */
    resize(width: number, height: number, { resample, }?: {
        resample?: 0 | 1 | 2 | 3 | 4 | 5 | string;
    }): Promise<RawImage>;
    pad([left, right, top, bottom]: [any, any, any, any]): Promise<any>;
    crop([x_min, y_min, x_max, y_max]: [any, any, any, any]): Promise<any>;
    center_crop(crop_width: any, crop_height: any): Promise<any>;
    toBlob(type?: string, quality?: number): Promise<any>;
    toCanvas(): any;
    /**
     * Helper method to update the image data.
     * @param {Uint8ClampedArray} data The new image data.
     * @param {number} width The new width of the image.
     * @param {number} height The new height of the image.
     * @param {1|2|3|4|null} [channels] The new number of channels of the image.
     * @private
     */
    private _update;
    /**
     * Clone the image
     * @returns {RawImage} The cloned image
     */
    clone(): RawImage;
    /**
     * Helper method for converting image to have a certain number of channels
     * @param {number} numChannels The number of channels. Must be 1, 3, or 4.
     * @returns {RawImage} `this` to support chaining.
     */
    convert(numChannels: number): RawImage;
    /**
     * Save the image to the given path.
     * @param {string} path The path to save the image to.
     */
    save(path: string): Promise<sharp.OutputInfo>;
    toSharp(): sharp.Sharp;
}
import sharp from 'sharp';
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