import type { AstroConfig, HookParameters, ImageQualityPreset, ImageTransform } from 'astro';
type ImageFormat = 'image/webp';
export declare const imageSizes: readonly [640, 1080, 1920];
export type ImageSizes = (typeof imageSizes)[number];
export type DevImageService = 'sharp' | (string & {});
type RemotePattern = {
    protocol?: 'http' | 'https';
    hostname: string;
    port?: string;
    pathname?: string;
};
export type WlodevImageConfig = {
    /**
     * Supported image widths.
     */
    sizes: ImageSizes[];
    /**
     * Supported output image formats
     */
    formats?: ImageFormat[];
    /**
     * Allowed external domains that can use Image Optimization. Leave empty for only allowing the deployment domain to use Image Optimization.
     */
    domains: string[];
    /**
     * Allowed external patterns that can use Image Optimization. Similar to `domains` but provides more control with RegExp.
     */
    remotePatterns?: RemotePattern[];
};
export declare const getDefaultImageConfig: (astroImageConfig: AstroConfig["image"]) => WlodevImageConfig;
export declare function isESMImportedImage(src: ImageMetadata | string): src is ImageMetadata;
export declare const qualityTable: Record<ImageQualityPreset, number>;
export declare const getImageConfig: (enabled: boolean, imageConfig: WlodevImageConfig | undefined, astroImageConfig: AstroConfig["image"], devImageService: DevImageService, command: HookParameters<"astro:config:setup">["command"], logger: HookParameters<"astro:config:setup">["logger"]) => {
    image: {
        service: {
            entrypoint: string;
            config: WlodevImageConfig;
        };
    };
} | {
    image?: undefined;
};
export declare const sharedValidateOptions: (options: ImageTransform, serviceConfig: Record<string, any>, mode: "development" | "production") => ImageTransform;
export {};
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