code: public boolean supportsMimeType (@Nullable final IMimeType aMimeType)
    {
      if (aMimeType == null)
        return false;
      return getQValueOfMimeType (aMimeType).isAboveMinimumQuality ();
    }
docs: Check if the passed MIME type is supported, incl. fallback handling
  
  @param aMimeType
  The MIME type to check. May be <code>null</code>.
  @return <code>true</code> if it is supported, <code>false</code> if not