/** Thrown when a caller-supplied path would escape the screenshot sandbox. */
export declare class UnsafePathError extends Error {
    constructor(message: string);
}
/**
 * Normalises a path written on one platform for use on another. In practice
 * this is about Windows hosts driving a server running under WSL, which is a
 * recurring source of "screenshot saved somewhere I can't find it" reports.
 */
export declare function convertPathForPlatform(inputPath: string, platform?: NodeJS.Platform): string;
export declare function convertPathForCurrentPlatform(inputPath: string): string;
/** Default directory screenshots are written to. */
export declare function getDefaultScreenshotDir(): string;
/**
 * Resolves a caller-supplied relative name inside `baseDir`, refusing anything
 * that could escape it. Callers never choose the base directory.
 */
export declare function resolveSafeScreenshotPath(baseDir: string, relativeName: string): string;
/**
 * Builds a unique, sortable, shell-safe screenshot filename. Colons are
 * stripped so the name survives every platform and never needs quoting.
 */
export declare function screenshotFilename(now?: Date, extension?: string): string;