export interface RouteAccessResult {
    requestedRoute?: string;
    routeDeclared?: boolean;
    defaultRoute?: string;
    routerFile?: string;
    targetFileReferenced?: boolean;
    warnings: string[];
}
export interface PngDimensions {
    width: number;
    height: number;
}
export declare function inspectRouteAccess(projectRoot: string, targetFile: string, requestedRoute?: string): Promise<RouteAccessResult>;
export declare function readPngDimensions(filePath: string): Promise<PngDimensions | undefined>;
export declare function parseSsimOutput(output: string): number | undefined;
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