export declare const SUPPORTED_INPUT_FORMATS: readonly ["webp", "gif", "jpeg", "jpg", "png", "tiff", "avif", "svg"];
export type SupportedInputFormat = (typeof SUPPORTED_INPUT_FORMATS)[number];
export declare const SUPPORTED_OUTPUT_FORMATS: readonly ["webp", "gif", "jpeg", "jpg", "png", "tiff", "avif"];
export type SupportedOutputFormat = (typeof SUPPORTED_OUTPUT_FORMATS)[number];
export declare const escapeXML: (str: string) => string;
export declare const shuffleTogether: <T, U>(a: T[], b: U[]) => [T[], U[]];
export declare const shuffleArray: <T>(array: T[]) => T[];
export declare const isSupportedInputImage: (extname: string) => extname is SupportedInputFormat;
export declare const isSupportedOutputImage: (extname: string) => extname is SupportedOutputFormat;
export declare const isValidHexColor: (hex: string) => boolean;