<?php declare(strict_types=1); namespace League\MimeTypeDetection; interface MimeTypeDetector { /** * @param string|resource $contents */ public function detectMimeType(string $path, $contents): ?string; public function detectMimeTypeFromBuffer(string $contents): ?string; public function detectMimeTypeFromPath(string $path): ?string; public function detectMimeTypeFromFile(string $path): ?string; }