export default function inspectContent(input: Buffer | ReadableStream, expectedExtension: string): Promise<{
    ext: any;
    mime: any;
    isValid: boolean;
    confidence: any;
} | {
    ext: string | undefined;
    mime: string | undefined;
    isValid: boolean;
    confidence?: undefined;
}>;
//# sourceMappingURL=inspectContent.d.ts.map