code: public GetMediaResourceResponse getMediaResource(String mediaId) {
          GetMediaResourceRequest request = new GetMediaResourceRequest().withMediaId(mediaId);
          return getMediaResource(request);
      }
docs: Gets the properties of specific media resource managed by VOD service.
  
  <p>
  The caller <i>must</i> authenticate with a valid BCE Access Key / Private Key pair.
  
  @param mediaId The unique ID for each media resource
  @return The properties of the specific media resource