code: public boolean explicitlySupportsMimeType (@Nullable final IMimeType aMimeType)
    {
      if (aMimeType == null)
        return false;
      final QValue aQuality = m_aMap.get (aMimeType);
      return aQuality != null && aQuality.isAboveMinimumQuality ();
    }
docs: Check if the passed MIME type is supported, without considering fallback
  MIME types (xxx/*)
  
  @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