import type { ImageModifiers } from '@nuxt/image';
import type { BoosterProvide, CrossOrigin, ISource } from '../../../../module.js';
import type { Link } from '@unhead/vue';
export default class Source implements ISource {
    src: string;
    media?: string;
    sizes?: Record<string, string | number>;
    width?: number;
    height?: number;
    format?: string;
    quality?: number;
    preload?: boolean;
    modifiers?: Partial<ImageModifiers>;
    provider?: string;
    preset?: string;
    densities?: string;
    constructor({ src, sizes, width, height, media, quality, format, preload, modifiers, provider, preset, densities }: Source);
    get key(): string;
    get ratio(): number;
    get className(): string;
    get style(): string;
    getModifiers(): {
        format: string | undefined;
        quality: number | undefined;
        width?: string | number | undefined;
        height?: string | number | undefined;
        fit?: string | undefined;
        background?: string | undefined;
        blur?: number | undefined;
    };
    getOptions($booster: BoosterProvide): {
        imageOptions: {
            provider: string | undefined;
            preset: string | undefined;
            densities: string;
        };
    };
    getMeta(compiledSrc: string, $booster: BoosterProvide): Promise<Source>;
    getPreload(srcset: string, sizes?: string, crossorigin?: CrossOrigin): Link;
    modify(config: Partial<Source>): Source;
    toJSON(): {
        src: string;
        sizes: Record<string, string | number> | undefined;
        media: string | undefined;
        width: number | undefined;
        height: number | undefined;
        format: string | undefined;
        quality: number | undefined;
        preload: boolean | undefined;
        modifiers: Partial<ImageModifiers> | undefined;
        provider: string | undefined;
        preset: string | undefined;
        densities: string | undefined;
    };
    static create(...args: [Source]): Source;
}
export declare function normalizeSrc(src: string): string;