class ExtensionGuesser implements

class FileinfoMimeTypeGuesser implements

class FileBinaryMimeTypeGuesser implements

static reset() Resets the singleton instance.

static bool isSupported() Returns whether this guesser is supported on the current

string guess(string $mimeType) Tries to guess the extension. The mime type is passed to

string guess(string $path) Guesses the mime type of the file with the given path.

interface MimeTypeGuesserInterface Guesses the mime type of a file.