export declare type ImageOutputMimeType = 'image/jpeg' | 'image/png' | 'image/webp';
export interface ImageResizeOptions {
    /**Output format. Defaults to the supported source format, then PNG.*/
    mimeType?: ImageOutputMimeType;
    /**Encoder quality from 0 to 1. Browsers ignore it for formats such as PNG.*/
    quality?: number;
}
/**Downsizes an image to fit maxSize while preserving its ratio. Never enlarges it.*/
export declare function resizeByMaxSize(file: File, maxSize: number, options?: ImageResizeOptions): Promise<File>;
/**Resizes an image to an exact square and crops overflow from the center. May enlarge it.*/
export declare function resizeToCuttedSquare(file: File, sideSize: number, options?: ImageResizeOptions): Promise<File>;
/**Resizes an image to an exact rectangle and crops overflow from the center. May enlarge it.*/
export declare function resizeToCuttedRect(file: File, width: number, height: number, options?: ImageResizeOptions): Promise<File>;