export interface ImageInfo {
    ext: string;
    url: string;
    query: Record<string, unknown>;
}
/**
 * Calc image info from uri.
 * @param uri
 * @returns
 */
export declare function getImageInfo(uri: string): ImageInfo;
/**
 * Check whether if the given url is a relative url
 * @param url
 * @returns
 * @see https://github.com/sindresorhus/is-relative-url
 * @see https://github.com/sindresorhus/is-absolute-url
 */
export declare function isRelativeUrl(url: string): boolean;
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