import { ImageSize, ImageFormat, DPRConfig } from '../interfaces/image-processing.interface';
export declare class ImageProcessingConfig {
    private _sizes;
    private _formats;
    private _dpr;
    constructor(config?: Partial<ImageProcessingConfig>);
    get sizes(): ImageSize[];
    get formats(): ImageFormat[];
    get dpr(): DPRConfig;
    setSizes(sizes: ImageSize[]): ImageProcessingConfig;
    setFormats(formats: ImageFormat[]): ImageProcessingConfig;
    setDPR(dpr: DPRConfig): ImageProcessingConfig;
    addSize(size: ImageSize): ImageProcessingConfig;
    addFormat(format: ImageFormat): ImageProcessingConfig;
    addDPRRatio(ratio: number): ImageProcessingConfig;
    removeSize(width: number): ImageProcessingConfig;
    removeFormat(type: ImageFormat['type']): ImageProcessingConfig;
    removeDPRRatio(ratio: number): ImageProcessingConfig;
}